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Geometry

Date
  • 00:57 Explaining Pi With Pizza

    Explaining Pi With Pizza

    / 184 views

    When the demonstration hits your eye and it explains the value of pi, thats Newton! #veritasium #science #physics

  • 02:01 The Twitter Pizza Equation Explained

    The Twitter Pizza Equation Explained

    / 70 views

    Get the most out of pizza with some simple math!Watch 'Why Is Pizza The Perfect Food?' https://youtu.be/CRHArMYZOxo Subscribe! http://bit.ly/asapsciBased on Planet Money article and data (with INTERACTIVE GRAPH):http://www.npr.org/sections/money/2014/02/2

  • 01:00 The Craziest Fact I Know - String Around The Earth Puzzle

    The Craziest Fact I Know - String Around The Earth Puzzle

    / 248 views

    The String girdling Earth is a mathematical puzzle with a counterintuitive solution. In a version of this puzzle, string is tightly wrapped around the equator of a perfectly spherical Earth. If the string should be raised 1 meter (3 ft 3 in) off the groun

  • 18:25 Popular The SAT Question Everyone Got Wrong

    The SAT Question Everyone Got Wrong

    / 1,876 views

    How an SAT question became a mathematical paradox. Head to https://brilliant.org/veritasium to start your free 30-day trial, and the first 200 people get 20% off an annual premium subscription.I invented Snatoms, a molecule modeling kit where the atoms sn

    Featured
  • 08:51 The object we thought was impossible

    The object we thought was impossible

    / 170 views

    The first 100 people to use code SCIENCE at the link below will get 60% off of Incogni: https://incogni.com/scienceSteffen's polyhedron is a flexible concave polyhedron. Euler thought such a shape was impossible. I also show infinitesimally flexible polyh

  • 31:12 How One Line in the Oldest Math Text Hinted at Hidden Universes

    How One Line in the Oldest Math Text Hinted at Hidden Universes

    / 221 views

    Discover strange new universes that turn up at the core of Einsteins General Relativity. Head to https://brilliant.org/veritasium to start your free 30-day trial, and the first 200 people get 20% off an annual premium subscription.If youre looking for a m

  • 06:37 Why Penrose Tiles Never Repeat

    Why Penrose Tiles Never Repeat

    / 303 views

    The first 200 people to https://brilliant.org/minutephysics get 20% off an annual premium subscription to Brilliant. Thanks to Brilliant for their support.This video is about a better way to understand Penrose tilings (the famous tilings invented by Roger

  • All About Topology

    All About Topology

    / 258 views

    Plastic version: http://shpws.me/HEtjThis is joint work with Keenan Crane.I never said it was a good joke.

  • 35:21 How The Most Useless Branch of Math Could Save Your Life

    How The Most Useless Branch of Math Could Save Your Life

    / 196 views

    There is an entire branch of math simply devoted to knots and it has changed the world. Well rope you in. Head to https://brilliant.org/veritasium to start your free 30-day trial, and the first 200 people get 20% off an annual premium subscription.Huge th

  • 04:17 These shapes roll in peculiar ways thanks to new mathematics

    These shapes roll in peculiar ways thanks to new mathematics

    / 225 views

    Thanks to a complex mathematical algorithm, these plastic shapes follow a very specific route as they roll. In fact, researchers have shown that a shape can be designed to follow almost any path you can think of. What started out as just an interesting ch

  • 00:47 the circle dot trick

    the circle dot trick

    / 286 views

    Can you figure out how to draw a circle without ever lifting your pen from the center dot and no lines in the middle?

  • 12:39 Popular Math Antics - Data And Graphs

    Math Antics - Data And Graphs

    / 849 views

    Learn More at mathantics.comVisit http://www.mathantics.com for more Free math videos and additional subscription based content!

  • 13:57 Pythagoras Would Be Proud: High School Students' New Proof of the Pythagorean Theorem [TRIGONOMETRY]

    Pythagoras Would Be Proud: High School Students' New Proof of the Pythagorean Theorem [TRIGONOMETRY]

    / 366 views

    Calcea Johnson and Ne’Kiya Jackson are two high school students at St. Mary's Academy in New Orleans who recently presented a new proof of the Pythagorean theorem at the Spring Southeastern Sectional Meeting of the American Mathematical Society. The

  • 08:06 Tunnelling through a Mountain - Numberphile

    Tunnelling through a Mountain - Numberphile

    / 208 views

    Featuring Professor Hannah Fry - more details on her work below. Check out Brilliant (get 20% off their premium service): https://brilliant.org/numberphile (sponsor) More links & stuff in full description below ↓↓↓ Hannah Fry: https://h

  • 02:01 Intro to Angles Lesson for Kids

    Intro to Angles Lesson for Kids

    / 284 views

    FULL EPISODES: https://www.GenerationGenius.com/watch

  • 03:14 Pi from a Toothpick

    Pi from a Toothpick

    / 268 views

    Estimate the value of pi using a toothpick!Want the full details as to why throwing a toothpick on a lined piece of paper gives you an estimate of the value of pi? Then see this video from Numberphile:https://youtu.be/sJVivjuMfWA

  • 02:18 Tie a string around the world

    Tie a string around the world

    / 238 views

    This seems a difficult problem, but simple mathematics can sometimes beat intuition, as Rob shows. See how you get on.

  • 10:54 Non-Euclidean Geometry Explained - Hyperbolica Devlog #1

    Non-Euclidean Geometry Explained - Hyperbolica Devlog #1

    / 318 views

    I present the easiest way to understand curved spaces, in both hyperbolic and spherical geometries. This is the first in a series about the development of Hyperbolica. Chapters: 0:00 Intro 0:24 Spherical Geometry 2:33 Hyperbolic Introduction 3:53 Projecti

  • 00:26 How Egyptians Made Right Angles #shorts

    How Egyptians Made Right Angles #shorts

    / 371 views

    The Egyptians didn't know the Pythagorean Theorem, but they figured out a way to make perfect 3-4-5 right triangles using segments of rope. It's so common sense, unsophisticated, and elegant that it's an example of a proof without words AND mathematical b

  • 00:58 The (Nearly) Perfect Pi Approximation #shorts

    The (Nearly) Perfect Pi Approximation #shorts

    / 627 views

    We can't write out every digit of Pi every time we use it, but we've got to represent it somehow. And you were probably taught that 22/7 was a great option. Well... it's an okay option. It's not bad, but it's not amazing.355/113 is so close to the real va

  • 11:00 Ten Dimensions Explained

    Ten Dimensions Explained

    / 321 views

    The ten dimensions explained thoroughly

  • 22:58 Geometry Introduction - Basic Overview - Review For SAT, ACT, EOC, Midterm Final Exam

    Geometry Introduction - Basic Overview - Review For SAT, ACT, EOC, Midterm Final Exam

    / 629 views

    The full version of this geometry review tutorial provides a basic introduction into common topics taught in geometry such as angles and measurement, area, perimeter, volume, surface area. It covers shapes such as circles, squares, rectangles, right trian

  • 02:45 ASTEROIDS Size Comparison 2

    ASTEROIDS Size Comparison 2

    / 359 views

    In this second part of the asteroid comparison, some of the currently best known asteroids are shown, some comets and some fictitious ones.~ - Approximate - Error range*UM - Unreliable MeasureMUSIC: (YouTube Library) Chtulthu - Quincas MoreiraSOURCES:Arma

  • 00:59 Popular Do Triangles Have Four Sides? #shorts

    Do Triangles Have Four Sides? #shorts

    / 750 views

    #shirt #shorts join our brain food club to get it! http://www.curiositybox.comIn this short, we say hello to the "Sherman line" -- a feature of all triangles that made B.F. Sherman say, "what else was there to call [it] but the fourth side of the triangle

  • 09:27 Hexagons are the Bestagons

    Hexagons are the Bestagons

    / 547 views

    Behind the Scenes: https://www.youtube.com/watch?v=4R3N1oeKbE4 Hexagons are the Bestagons shirt: https://store.dftba.com/collections/all/products/hexagons-t-shirt Thank you Crowdfunders for making this video possible: https://www.patreon.com/cgpgrey Discu

  • 22:55 Popular The Golden Ratio: Is It Myth or Math?

    The Golden Ratio: Is It Myth or Math?

    / 997 views

    Were on PATREON! Join the community https://www.patreon.com/itsokaytobesmartSUBSCRIBE so you dont miss a video! http://bit.ly/iotbs_sub More info and sources below The golden ratio. Some say its the most mythical number in the universe. Others say it unde

  • 38:28 A Miraculous Proof (Ptolemy's Theorem) - Numberphile

    A Miraculous Proof (Ptolemy's Theorem) - Numberphile

    / 437 views

    Featuring Zvezdelina Stankova... Want more? Part 2 (bringing in Pentagons and the Golden Ratio) is at: https://youtu.be/o3QBgkQi_HAMore links & stuff in full description below Zvezda's Numberphile playlist: http://bit.ly/zvezda_videosZvezda's webpage: htt

  • 21:19 The Mandelbrot Set - The only video you need to see!

    The Mandelbrot Set - The only video you need to see!

    / 692 views

    This video has been edited together from several documentaries to describe the Mandelbrot set in a simple, introduction/beginner fashion! What is the Mandelbrot set? An incredible mathematical formula explaining fractals and geometry! Several mathematicia

  • 05:37 Popular The Hardest Mandelbrot Zoom in 2017 - New record, 750 000 000 iterations!

    The Hardest Mandelbrot Zoom in 2017 - New record, 750 000 000 iterations!

    / 703 views

    A Mandelbrot is a mathematical formula that can be represented mathematically as:The Mandelbrot set can be explained with the equation zn+1 = zn2 + c. In that equation, c and z are complex numbers and n is zero or a positive integer (natural number). Star

  • 03:12 Approximating pi with Minecraft

    Approximating pi with Minecraft

    / 502 views

    We use Minecraft to approximate the value of pi.

  • 05:48 Popular How Does a Real-Life Escherian Staircase Work?

    How Does a Real-Life Escherian Staircase Work?

    / 1,239 views

    In this video I show you a 3d printed infinite staircase also called an Escherian staircase after M.C Escher. I talk about how this staircase can actually be possible in Nil space using non-euclidean geometry. Ascending in Nil Video: https://www.youtube.c

  • 10:44 The Napkin Ring Problem

    The Napkin Ring Problem

    / 426 views

    Brain Candy Live FALL TOUR: http://www.braincandylive.com/ticketsThe Curiosity Box: https://www.curiositybox.com/LINKS TO LEARN MORE BELOW!my twitter: http://www.twitter.com/tweetsauceAdam and I (but mainly Adam) making a kendama: https://www.youtube.com/

  • 16:54 Teacher Delivers Remote Virtual Reality Math Lesson on Angles using Half Life: Alyx

    Teacher Delivers Remote Virtual Reality Math Lesson on Angles using Half Life: Alyx

    / 496 views

    Review of Angle Vocabulary for Homeschooling Week because I have to teach today, but Half Life Alyx just came out. Want to support my classroom? http://www.donorschoose.org/charlescoomber Twitter – @charlescoomber

  • 02:41 SYMMETRY

    SYMMETRY

    / 651 views

    Symmetry is one of five shorts featured in the film, "Mathematica Peep Shows." The collection was made by Charles and Ray Eames for the IBM Mathematica Exhibit which opened in 1961. It is about the mathematical ordering of form and the symmetrical propert

  • 16:38 Popular Superhero Triangles - Numberphile

    Superhero Triangles - Numberphile

    / 740 views

    Heronian triangles and other fascinating things, featuring Dr James Grime.Get your Superhero Triangle T-Shirt and other stuff: http://bit.ly/Super_TriMore links & stuff in full description below More videos with Dr Grime: http://bit.ly/grimevideosDr James

  • 05:06 Popular The Pizza Theorem

    The Pizza Theorem

    / 740 views

    Watch my newest video, "The Game You Win By Losing (Parrondo's Paradox)": https://youtu.be/PpvboBJEozMGet Vsauce's favorite science and math toys delivered to your door!https://www.curiositybox.com/National Pizza Day is Saturday, February 9!*** LINKS ***T

  • 15:22 Squaring a Doughnut

    Squaring a Doughnut

    / 577 views

    ***LINKS TO LEARN MORE BELOW***Numberphile's Video About Squared Squareshttps://www.youtube.com/watch?v=NoRjwZomUK0 Torus Gameshttp://www.geometrygames.org/TorusGames/index.html.en https://levsblog.quora.com/The-Topology-of-Pacmanhttp://www.squaring.net/s

  • 18:38 Mbius Bagels

    Mbius Bagels

    / 697 views

    'Tis the season to cut bagels into interlocked halves!! LEARN MORE:George Hart's article: https://www.georgehart.com/bagel/bagel.htmlGeorge Hart's video: https://www.youtube.com/watch?v=dN8AwGUaqDAEugenia Cheng's video: https://www.youtube.com/watch?v=NRv

  • 15:30 Popular The Mandelbrot Set

    The Mandelbrot Set

    / 747 views

    I will send my brain food right to your door: http://www.curiositybox.com Twitter: http://twitter.com/DoOnlineNowGuysInstagram: http://instagr.am/doonlinenowguysVsauce PO Box: PO Box 33168 L.A. CA 90033***Click "SHOW MORE" For Links*** Mandelbrot Zoomhttp

  • 18:59 Popular The Four Color Theorem | Coloring a Planar Graph

    The Four Color Theorem | Coloring a Planar Graph

    / 850 views

    Train your problem solving skills today with SkillShare: https://skl.sh/upandatom3 Check out the video we did over on Willie's Channel! https://youtu.be/jwQlULjESTs Subscribe to Willie's Channel KhAnubis! https://www.youtube.com/user/tobirates The Four Co

  • 16:07 Terrific Toothpick Patterns - Numberphile

    Terrific Toothpick Patterns - Numberphile

    / 636 views

    Fun with toothpicks. Featuring Neil Sloane. More links & stuff in full description below ↓↓↓ Neil Sloane is the founder of the On-Line Encyclopedia of Integer Sequences: https://oeis.org Play with the toothpick simulator: http://oeis.org/A139250/a139250.a

  • 07:26 Popular Incredible Rolling Objects which aren't Spheres!

    Incredible Rolling Objects which aren't Spheres!

    / 1,791 views

    These strange solids roll in interesting and unexpected ways! Join me as we explore these curious geometries the Wobbler, Oloid and Steinmetz Solid. 3D Print your own with the files here - https://gumroad.com/products/QGsID/ Get your own stainless steel O

  • 03:43 Popular Can you solve the unstoppable blob riddle? - Dan Finkel

    Can you solve the unstoppable blob riddle? - Dan Finkel

    / 1,392 views

    A shooting star crashes onto Earth and unleashes a hideous, rampaging blob. Can you stop it from destroying the planet? -- A shooting star crashes onto Earth and a hideous blob emerges. It creeps and leaps, it glides and slides. It’s also unstoppabl

  • 04:54 The problem in Good Will Hunting - Numberphile

    The problem in Good Will Hunting - Numberphile

    / 674 views

    We now have a Tumblr: Tumblr: http://numberphile.tumblr.com This paper on ebay: http://www.ebay.co.uk/itm/221197137799? More links & stuff in full description below ↓↓↓ Just how hard was the second problem cracked by Will in Good Will H

  • 06:02 The Perfect Stack of Maltesers

    The Perfect Stack of Maltesers

    / 628 views

    Dr Eugenia Cheng, Senior Lecturer in Mathematics from the University of Sheffield, discusses the mathematics behind the perfect stack of Maltesers http://www.sheffield.ac.uk/maths

  • 08:01 Popular Surface Area to Volume Ratios - Christmas Lectures with Philip Morrison

    Surface Area to Volume Ratios - Christmas Lectures with Philip Morrison

    / 949 views

    The mathematicians of Lilliput assumed that Gulliver would need 1728 times as much food as an individual Lilliput. Philip Morrison shows why this is not true, using surface area to volume ratios. Watch the full lecture: http://www.rigb.org/christmas-lectu

  • 04:32 Popular Can you solve the time travel riddle? - Dan Finkel

    Can you solve the time travel riddle? - Dan Finkel

    / 929 views

    Practice more problem-solving at https://brilliant.org/TedEd/ Solution to bonus riddle: https://brilliant.org/TedEdTimeTravel/ Your professor has accidentally stepped through a time portal in his physics lab. You’ve got just a minute to jump through befor

  • 04:29 Popular Can you solve the secret werewolf riddle? - Dan Finkel

    Can you solve the secret werewolf riddle? - Dan Finkel

    / 1,679 views

    Practice more problem-solving at https://brilliant.org/TedEd/ Signup to receive the bonus riddle's solution: https://brilliant.org/TedEdWerewolf/ You’re on the trail of a werewolf that’s been terrorizing your town. After months of detective work, you’ve n

  • 04:33 Fractals: The Geometry of Chaos - Christmas Lectures with Ian Stewart

    Fractals: The Geometry of Chaos - Christmas Lectures with Ian Stewart

    / 653 views

    Using a simple set of mathematical rules, a very intricate geometry can be created in the form of fractals. The Sierpinski triangle is a famous example. Subscribe for regular science videos: http://bit.ly/RiSubscRibe Watch the full lecture: http://www.rig

  • 02:00 Maps, States & Borders

    Maps, States & Borders

    / 633 views

    Deane challenges Rob with a mathematical problem concerning maps, states and borders. SUBSCRIBE NOW http://www.youtube.com/subscription_center?add_user=CuriosityShow CONNECT WITH CURIOSITY Facebook ➤ http://www.facebook.com/CuriosityShow Twitter ➤ https:/

  • 04:39 Popular The mysterious isochronous curve

    The mysterious isochronous curve

    / 798 views

    It's a big name, but the isochronous curve deserves it. Rob shows you how to draw one easily and then how to investigate its extraordinary properties.

  • 01:51 How to cut a pipe squarely

    How to cut a pipe squarely

    / 632 views

    Cutting a section of pipe or cylindrical rod is tricky - the cut goes sideways or doesn't meet itself, but Rob shows a simple way to cut a pipe squarely every time.

  • 01:41 Popular Measuring Volume with a Ruler

    Measuring Volume with a Ruler

    / 802 views

    Deane demonstrates a method for measuring the volume of an irregular container. SUBSCRIBE NOW http://www.youtube.com/subscription_center?add_user=CuriosityShow CONNECT WITH CURIOSITY Facebook ➤ http://www.facebook.com/CuriosityShow Twitter ➤ https://twitt

  • 05:39 Popular Can You Solve A 5th Grade Problem From China? Find The Area Of ABCD

    Can You Solve A 5th Grade Problem From China? Find The Area Of ABCD

    / 2,733 views

    Thanks to Eric from Miami for suggesting this problem and sending a solution! The diagram shows a quadrilateral ABCD with the values for some angles and the length of AB. Can you figure out the area of ABCD? Subscribe: https://www.youtube.com/user/MindYou

  • 14:53 THE SCUTOID: did scientists discover a new shape?

    THE SCUTOID: did scientists discover a new shape?

    / 661 views

    Read the Nature paper for yourself: "Scutoids are a geometrical solution to three-dimensional packing of epithelia" https://www.nature.com/articles/s41467-018-05376-1 Thanks to Laura and Clara for helping me with the video! You can download Laura's model

  • 04:22 Popular How to Determine the Area of a Triangle Based on Coordinates of Its Vertices & Determinants

    How to Determine the Area of a Triangle Based on Coordinates of Its Vertices & Determinants

    / 1,903 views

    How to Determine the Area of a Triangle Based on Coordinates of Its Vertices & Determinants. Part of the series: Finding and Using the Area of a Triangle. You can use the coordinates of a triangle's vertices and determines, along with a very specific rule

  • 01:32 Popular How to Solve for the Height of Cylinders

    How to Solve for the Height of Cylinders

    / 916 views

    How to Solve for the Height of Cylinders. Part of the series: Algebra Tips. Solving for the height of cylinders can be accomplished in just a few moments with the right equation. Learn how to solve for the height of cylinders with help from an experienced

  • 01:14 Popular How to Multiply to Get the Area of a Parallelogram

    How to Multiply to Get the Area of a Parallelogram

    / 1,671 views

    How to Multiply to Get the Area of a Parallelogram. Part of the series: Perimeter, Area and Decimals. Multiplication is one way you can find the area of a parallelogram pretty easily. Multiply to get the area of a parallelogram with help from a longtime m

  • 02:06 Popular Types of Angles, Figures & Shapes

    Types of Angles, Figures & Shapes

    / 1,624 views

    Types of Angles, Figures & Shapes. Part of the series: Geometry Tips. many different types of angles, figures and shapes make up math in general as well as geometry. Learn about the types of angles, figures and shapes in geometry with help from a longtime

  • 03:21 Popular Can You Solve A Puzzle That Fooled Richard Feynman?

    Can You Solve A Puzzle That Fooled Richard Feynman?

    / 843 views

    What is the radius of the circle, in simplest terms involving a, b, and c? I read that even the great mind Richard Feynman made a mistake. Watch the video to learn the common mistake and what the correct answer is. Source Feynman story http://web.media.mi

  • 05:48 What Is The Area? "You Should Be Able To Solve This"

    What Is The Area? "You Should Be Able To Solve This"

    / 646 views

    Thanks to Reio in Romania for emailing me this fun problem! What is the area? This puzzle was shared with the tagline "you should be able to solve this." Solution to 5th grade Chinese challenge problem https://youtu.be/OuJQaxZvlYs My blog post for this vi

  • 09:15 Popular 5-Sided Square - Numberphile

    5-Sided Square - Numberphile

    / 726 views

    Check our sponsor The Great Courses Plus (free trial): http://ow.ly/j5cB30hIvm2 This video features Cliff Stoll. More links & stuff in full description below ↓↓↓ More Cliff Stoll videos: http://bit.ly/Cliff_Videos Buy a Klein Bottle fro

  • 04:46 Popular Can you solve the Mondrian squares riddle? - Gordon Hamilton

    Can you solve the Mondrian squares riddle? - Gordon Hamilton

    / 896 views

    Practice more problem-solving at https://brilliant.org/TedEd/ Dutch artist Piet Mondrian’s abstract, rectangular paintings inspired mathematicians to create a two-fold challenge. Can you solve the puzzle and get to the lowest score possible? Gordon

  • 06:13 Calculating the circumference of the Earth in 200 BC

    Calculating the circumference of the Earth in 200 BC

    / 648 views

    In one of the dopest displays of critical thinking in history, Eratosthenes estimated the circumference of the Earth. All he had was a pole, the sun, knowledge of a famous well in Egypt, and potentially money to pay someone to walk the distance between tw

  • 02:43 The Man Teaching Math Lessons in the Sky

    The Man Teaching Math Lessons in the Sky

    / 560 views

    Winfred Randolph Lowe, aka, “Randy the Kite Man,” is a retired math teacher taking geometry to new heights. For the past 20 years, Winfred has spent his free time flying kites. Now he’s combining his two favorite pastimes to teach the fundamentals of geom

  • 02:04 Non-Euclidean Geometry of a Sphere - Christmas Lectures with Philip Morrison

    Non-Euclidean Geometry of a Sphere - Christmas Lectures with Philip Morrison

    / 643 views

    According to Euclidean geometry the angles of a triangle add up to 180 degrees. Philip Morrison shows an example of where this isn't true, and non-Euclidean geometry applies. Watch the full lecture: http://www.rigb.org/christmas-lectures/watch/1968/gulliv

  • 03:24 Popular Round Peg in a Square Hole - Numberphile

    Round Peg in a Square Hole - Numberphile

    / 709 views

    Featuring Tadashi Tokieda - more Tadashi videos at: http://bit.ly/tadashi_vids More links & stuff in full description below ↓↓↓ Tadashi Tokieda is a Professor of Mathematics at Stanford University (though this was filmed when he was at Cambridge, in the U

  • 01:20 Proof Without Words: The Circle

    Proof Without Words: The Circle

    / 624 views

    Prove πR² using only beads and a ruler! I first saw this proof in an article by Russell Jay Hendel, Dowling College: http://bit.ly/LQlwQw minutephysics is now on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics And twitter -

  • 02:14 Visualizing the 600-Cell

    Visualizing the 600-Cell

    / 680 views

    Mathematician/geometer Dugan Hammock of Quantum Gravity Research shows us a visualization of the 4-dimensional 600-Cell projected to 3D object (further projected, technically, to 2D on his computer screen.) The 600-Cell is a 4-dimensional shape made of 60

  • 05:17 Popular How many ways are there to prove the Pythagorean theorem? - Betty Fei

    How many ways are there to prove the Pythagorean theorem? - Betty Fei

    / 1,687 views

    Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-many-ways-are-there-to-prove-the-pythagorean-theorem-betty-fei What do Euclid, 12-year-old Einstein, and American President James Garfield have in c

  • 01:42 Popular Finding height of a parallelogram

    Finding height of a parallelogram

    / 807 views

    Finding height of a parallelogram

  • 01:31 Popular Example finding area of triangle

    Example finding area of triangle

    / 878 views

    Example finding area of triangle

  • 03:09 Popular Triangle missing side example

    Triangle missing side example

    / 767 views

    Triangle missing side example

  • 03:29 Popular Recognizing common 3D shapes

    Recognizing common 3D shapes

    / 795 views

    Recognizing common 3D shapes

  • 04:17 Popular How volume changes from changing dimensions

    How volume changes from changing dimensions

    / 926 views

    How volume changes from changing dimensions

  • 04:35 Popular Surface area word problem example

    Surface area word problem example

    / 796 views

    Surface area word problem example

  • 03:00 Popular Partial circle area and arc length

    Partial circle area and arc length

    / 855 views

    Partial circle area and arc length

  • 04:51 Popular Relating circumference and area

    Relating circumference and area

    / 764 views

    Relating circumference and area

  • 03:48 Popular Pythagorean theorem with right triangle

    Pythagorean theorem with right triangle

    / 744 views

    Pythagorean theorem with right triangle

  • 04:00 Popular Area of an isosceles triangle

    Area of an isosceles triangle

    / 758 views

    Area of an isosceles triangle

  • 03:41 Popular Example finding distance with Pythagorean theorem

    Example finding distance with Pythagorean theorem

    / 786 views

    Example finding distance with Pythagorean theorem

  • 22:41 Popular Calculating the optimal sphere packing density: with oranges

    Calculating the optimal sphere packing density: with oranges

    / 821 views

    Check out the corresponding video I made with Steve Mould for his channel. https://youtu.be/O3RsDIWB7s0 Thomas Hales’s proof of the Kepler Conjecture. http://annals.math.princeton.edu/wp-content/uploads/annals-v162-n3-p01.pdf The Kepler Conjecture on wiki

  • 12:55 Popular Math Antics - The Pythagorean Theorem

    Math Antics - The Pythagorean Theorem

    / 2,624 views

    Learn more at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!

    Featured
  • 13:00 Popular The Moving Sofa Problem - Numberphile

    The Moving Sofa Problem - Numberphile

    / 713 views

    Featuring Dan Romik from UC Davis. More footage from this interview soon on Numberphile2. Dan's comprehensive page on this topic: http://bit.ly/movingsofa Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRIN

  • 12:33 Popular Pascal's Triangle - Numberphile

    Pascal's Triangle - Numberphile

    / 1,734 views

    Just a few fun properties of Pascal's Triangle - discussed by Casandra Monroe, undergraduate math major at Princeton University. Filmed during the MSRI-UP summer program. Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): htt

  • 04:32 Popular Math Word problems - Solving triangles

    Math Word problems - Solving triangles

    / 1,462 views

    Become an expert in solving math word problems! In this problem you will learn how to use triangles to solve the height of a building. A man steps back 50 feet which the angle to the top of the building change 15 degrees. Using this information find the h

  • 05:04 Popular Area of a Triangle - Fun challenging math problem

    Area of a Triangle - Fun challenging math problem

    / 2,544 views

    Can you solve the area of a triangle given points X and Y. This is not a basic problem, but it is a fun and challenging math problem. See if you are smart enough to find the area of a triangle for yourself. My name is Chris and my passion is to teach math

  • 04:55 Popular Solve the right triangle - Trigonometry Brain Teaser

    Solve the right triangle - Trigonometry Brain Teaser

    / 1,863 views

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    The Brachistochrone

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    BRAIN CANDY LIVE TICKETS: http://www.braincandylive.com/tickets Links to sources and to learn more below! MY TWITTER: http://www.twitter.com/tweetsauce MY INSTAGRAM: http://www.instagram.com/electricpants THE CURIOSITY BOX: https://www.curiositybox.com/ S

  • 01:20 Popular How Giant Lava Caves on Earth May Help Us Survive on Mars | National Geographic

    How Giant Lava Caves on Earth May Help Us Survive on Mars | National Geographic

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    The first humans to arrive on Mars will experience life-threatening conditions including intense radiation, dust storms, and extreme temperatures. Researchers are mapping lava tubes at the Craters of the Moon National Monument in Idaho in hopes that their

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    Math Challenge - Shrinking Pool Problem

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    Think you can solve this math challenge? Every time a boy jumps into the pool it shrinks by a certain amount. Thy boy jumps into the pool 3 times. You must find the original length of the pool My name is Chris and my passion is to teach math. Learning sho

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    Easy Puzzle - But can you solve it?

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    Solve this puzzle by cutting the piece of wood into two pieces. Both pieces must fit exactly into the hole. Can you solve this easy puzzle? Watch the video and find out. My name is Chris and my passion is to teach math. Learning should never be a struggle

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    Can You Solve This Grade 12 Geometry Problem From Australia? The Marshmallow Chocolate Puzzle

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    A marshmallow has the shape of a cylinder with diameter 5 and height 3. A dessert is made with 24 marshmallows: there are two stacked layers of marshmallows, and each layer has 3 rows of 4 marshmallows. The gaps between the marshmallows are filled with ch

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    Can You Solve The Rectangle Ratio Puzzle? The Surprising Answer

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    Start with a unit square (a rectangle with both sides equal to 1, call it R1). Attach a rectangle of area 1 to its right side, then attach a rectangle of area 1 to its top. The border of this new shape is another rectangle, call it R2. We can repeat the p

  • 05:57 Popular Can You Solve This 6th Grade Geometry Problem From Singapore? The Area Of A "Claw"

    Can You Solve This 6th Grade Geometry Problem From Singapore? The Area Of A "Claw"

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  • 09:03 Space-Filling Curves - Numberphile

    Space-Filling Curves - Numberphile

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    Henry Segerman shows us some 3D-printed space-filling curves, including the Hilbert Curve and Dragon Curve. Check Henry's book about 3D printing math: http://amzn.to/2cWhY3R More Henry videos: http://bit.ly/Segerman_Videos Dragon Curve videos: http://bit.

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    Aluminium - The Material That Changed The World

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    Thanks to the vlogbrothers for sponsoring this video. Have been following their work for years, it feels great to be supported by my role models! Thank you to my patreon supporters: Adam Flohr, darth patron, Zoltan Gramantik, Josh Levent, Henning Basma. T

  • 08:05 Popular Can You Solve The Hardest Easy Geometry Problem?

    Can You Solve The Hardest Easy Geometry Problem?

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    In the figure, what is the value of angle x? This problem is known as Langley's Adventitious Angles. It is also known as the hardest easy geometry problem because it can be solved by elementary methods but it is notoriously difficult to work out. Can you

  • 12:36 Popular Math Antics - Volume

    Math Antics - Volume

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    Learn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!

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  • 06:31 Popular Proof - Sum of Measures of Angles in a Triangle are 180

    Proof - Sum of Measures of Angles in a Triangle are 180

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    Proof that the sum of the measures of the angles in a triangle are 180

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    Ordering Triangle Sides And Angles

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    Finding Radius And Diameter From Circumference

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    Informal Argument For The Area Of Circle Formula

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    Proving Radius Is Perpendicular To Tangent Line

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    Hypotenuse Leg Congruence

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    Hypotenuse leg congruence

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    Segments Tangent To Circle From Outside Point Congruent

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    Segments tangent to circle from outside point congruent

  • 04:37 Tangents Of Circles Exercise Examples

    Tangents Of Circles Exercise Examples

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    Tangents of circles exercise examples

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    Example Showing Supplementary Oppositie Angles In Inscribed Quadrilateral

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    Example showing supplementary oppositie angles in inscribed quadrilateral

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    Proving The Opposite Angles Of Inscribed Quadrilateral Are Supplementary

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    Proving the opposite angles of inscribed quadrilateral are supplementary

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    Seeing Circle Similarity Through Translation And Dilation

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    Inscribed Angles Exercise Example

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    Introduction to arc measure (and a comparison to arc length).

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    Arc Measure Example Problems

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    Arc measure example problems

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    Arc Measure With Equations Examples

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    Arc measure with equations examples

  • 05:49 Solving For Unknown Angle

    Solving For Unknown Angle

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    Finding Inscribed Angle Measure

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    Bisecting Yin And Yang - Brain Teaser

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    Can you bisect yin and yang using a straight line? Find the solution to this brain teaser in this video. I also have a bunch of other fun brain teasers as well. Heaven and hell - Brain Teaser https://www.youtube.com/watch?v=YOgKI0HWCnA Two burning ropes -

  • 03:59 Popular Volume Word Problems — Basic Example | Math | New SAT | Khan Academy

    Volume Word Problems — Basic Example | Math | New SAT | Khan Academy

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    Watch Sal work through a basic Volume word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s1-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previous

  • 05:09 Popular Volume Word Problems — Harder Example | Math | New SAT | Khan Academy

    Volume Word Problems — Harder Example | Math | New SAT | Khan Academy

    / 1,367 views

    Watch Sal work through a harder Volume word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s2-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previou

  • 03:52 Popular Right Triangle Word Problems — Basic Example | Math | New SAT | Khan Academy

    Right Triangle Word Problems — Basic Example | Math | New SAT | Khan Academy

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    Watch Sal work through a basic Right triangle word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s2-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the

  • 05:33 Popular Right Triangle Word Problems — Harder Example | Math | New SAT | Khan Academy

    Right Triangle Word Problems — Harder Example | Math | New SAT | Khan Academy

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    Watch Sal work through a harder Right triangle word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s6-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the

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    Angles, Arc Lengths, And Trig Functions — Basic Example | Math | New SAT | Khan Academy

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    Watch Sal work through a basic Angles, arc lengths, and trig functions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s4-harder?utm_source=YT&utm_medium=Desc&utm_campaig

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    Angles, Arc Lengths, And Trig Functions — Harder Example | Math | New SAT | Khan Academy

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    Watch Sal work through a harder Angles, arc lengths, and trig functions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s5-easier?utm_source=YT&utm_medium=Desc&utm_campai

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    Circle Theorems — Basic Example | Math | New SAT | Khan Academy

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    Watch Sal work through a basic Circle theorems problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s5-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev

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    Circle Theorems — Harder Example | Math | New SAT | Khan Academy

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    Watch Sal work through a harder Circle theorems problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s8-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pre

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    Congruence And Similarity — Basic Example | Math | New SAT | Khan Academy

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    Watch Sal work through a basic Congruence and similarity problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s6-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Misse

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    Congruence And Similarity — Harder Example | Math | New SAT | Khan Academy

    / 1,320 views

    Watch Sal work through a harder Congruence and similarity problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s7-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Miss

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    Right Triangle Geometry — Basic Example | Math | New SAT | Khan Academy

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    Watch Sal work through a basic Right triangle geometry problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s7-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed

  • 03:43 Popular Right Triangle Geometry — Harder Example | Math | New SAT | Khan Academy

    Right Triangle Geometry — Harder Example | Math | New SAT | Khan Academy

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    Watch Sal work through a harder Right triangle geometry problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s4-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed

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    Circle Equations — Basic Example | Math | New SAT | Khan Academy

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    Watch Sal work through a basic Circle equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s8-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pre

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    Circle Equations — Harder Example | Math | New SAT | Khan Academy

    / 763 views

    Watch Sal work through a harder Circle equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s3-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pr

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    Positive And Negative Slope | Algebra I | Khan Academy

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    Positive and negative slope Watch the next lesson: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/slope/v/similar-triangles-to-prove-that-the-slope-is-constant-for-a-line?utm_source=YT&utm_medium=Desc&utm_campaign

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    Interpreting Linear Formulas Example 2 | Algebra I | Khan Academy

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    Linear equation for file transfer Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/interpreting_linear_functions/e/interpreting-features-of-linear-function

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    Graphing Linear Functions Example 1 | Algebra I | Khan Academy

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    Learn how graph a linear function. This video gives an example of graphing fuel consumption as a function of distance. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-

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    Graphing Linear Functions Example 2 | Algebra I | Khan Academy

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    Graphing equation for filling pool Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/linear-functions-modeling/e/graphing-linear-functions-word-problems?utm

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    How To Match Function Input To Output Given The Graph (example) | Algebra I | Khan Academy

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    Sal finds the input value for which g(x)=-2 given the graph of g. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/function-inputs-and-outputs/e/functions_matching_inputs_outputs?utm_so

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    How To Find Two Function Inputs With The Same Output Given Graph (example) | Khan Academy

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    Sal finds the input value other than -5 for which f(x)=f(-5), given the graph of f. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/function-inputs-and-outputs/e/functions_matching_inp

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    Converting From Slope-intercept To Standard Form | Algebra I | Khan Academy

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    Converting from slope-intercept to standard form Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/standard-form/e/converting_between_slope_intercept_and_st

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    Introduction To Transformations | Transformations | Geometry | Khan Academy

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    Introduction to transformations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-translations-on-the-coordinate-plane?utm_source=YT&utm_medium=De

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    Translation Example | Transformations | Geometry | Khan Academy

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    Translation example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-translations-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_campa

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    Using Rotation Widget | Transformations | Geometry | Khan Academy

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    Using rotation widget Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-rotations-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_campai

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    Using Reflection Tool | Transformations | Geometry | Khan Academy

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    Using reflection tool Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-reflections-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_camp

  • 01:32 Popular Formal Translation Tool Example | Transformations | Geometry | Khan Academy

    Formal Translation Tool Example | Transformations | Geometry | Khan Academy

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    Formal translation tool example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-translations/e/defining-translations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the

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    Drawing Image Of Translation | Transformations | Geometry | Khan Academy

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    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-translations/e/translations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson: https://www.khanacademy.org

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    Defining Rotation Example | Transformations | Geometry | Khan Academy

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    Defining rotation example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-rotations/e/defining-rotations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson

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    Points On Line Of Reflection | Transformations | Geometry | Khan Academy

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    Points on line of reflection Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-reflections/e/defining-reflections?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next

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    Reflecting Segments Over Line | Transformations | Geometry | Khan Academy

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    Reflecting segments over line Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-reflections/e/reflections-1?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesso

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    Drawing Line Of Reflection | Transformations | Geometry | Khan Academy

    / 1,173 views

    Drawing line of reflection Watch the next lesson: https://www.khanacademy.org/math/geometry/transformations/hs-geo-reflections/v/determining-the-line-of-reflection?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Missed the previous lesson? https://www

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    Rotating About Arbitrary Point | Transformations | Geometry | Khan Academy

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    Rotating about arbitrary point Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-rotations/e/rotations-2?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson:

  • 08:13 Popular Points After Rotation | Transformations | Geometry | Khan Academy

    Points After Rotation | Transformations | Geometry | Khan Academy

    / 1,239 views

    Points after rotation Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-rotations/e/rotations-1?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson: https://w

  • 04:50 Popular The Mathematical Secrets Of Pascal’s Triangle - Wajdi Mohamed Ratemi

    The Mathematical Secrets Of Pascal’s Triangle - Wajdi Mohamed Ratemi

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    View full lesson: http://ed.ted.com/lessons/the-mathematical-secrets-of-pascal-s-triangle-wajdi-mohamed-ratemi Pascal’s triangle, which at first may just look like a neatly arranged stack of numbers, is actually a mathematical treasure trove. But what abo

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    Coordinates For Triangle Example

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    Example Finding Area With Fractional Sides

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    Example finding area with fractional sides

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    Intuition For Area With Fractional Side Lengths

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    Intuition for area with fractional side lengths

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    Intuition For Area Of A Parallelogram

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    Intuition for area of a parallelogram

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    Intuition For Area Of A Triangle

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    Intuition for area of a triangle

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    Finding Surface Area Using Net

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    Finding surface area using net

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    Surface Area Of A Box Using Nets

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    Surface area of a box using nets

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    Surface Area Of A Box

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    Surface area of a box

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    Drawing Polygons Exercise Example

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    Drawing polygons exercise example

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    Coordinates Of Rectangle Example

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    Coordinates of rectangle example

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    Dimensions Of Rectangle From Coordinates Example

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    Dimensions of rectangle from coordinates example

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    Finding Coordinates Of Missing Vertex Example

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    Finding coordinates of missing vertex example

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    Area Of Parallelogram On Coordinate Plane

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    Area of parallelogram on coordinate plane

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    Topology, Geometry And Life In Three Dimensions

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    If you imagine a three dimensional maze from which there is no escape, how can you map it? Is there a way to describe what all possible mazes look like, and how do mathematicians set about investigating them? Subscribe for regular science videos: http://b

  • 07:32 Popular Examples Interpreting Graphs Of Proportional Relationships

    Examples Interpreting Graphs Of Proportional Relationships

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    Examples interpreting graphs of proportional relationships

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    Intervals When Function Is Increasing, Decreasing, Postive Or Negative

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    Average Rate Of Change From Graph

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    How To Trisect An Angle With Origami - Numberphile

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    Zsuzsanna Dancso trisects an angle using origami - follows on from this video about Euclidean geometry: http://youtu.be/6Lm9EHhbJAY Special thanks to the Patreon supporters listed below: Herschal Sanders (from Susan) Lê OK Merli Alex Bozzi Thomas J

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    Euclid's Big Problem - Numberphile

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    Trisecting angles and calculating cube roots was a big problem for Euclid and his cohorts. Discussed by Zsuzsanna Dancso at MSRI. TRISECT WITH ORIGAMI: http://youtu.be/SL2lYcggGpc CIRCLE THE SQUARE: http://youtu.be/CMP9a2J4Bqw NUMBERPHILE Website: http://

  • 03:35 Popular Dimensions Of Cube From Volume

    Dimensions Of Cube From Volume

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    Dimensions of cube from volume

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    Arc Length As Fraction Of Circumference

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