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Geometry


  • 09:27 Hexagons are the Bestagons

    Hexagons are the Bestagons

    / 37 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 The Golden Ratio: Is It Myth or Math?

    The Golden Ratio: Is It Myth or Math?

    / 30 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

  • 24:44 Circles - Area, Circumference, Radius, & Diameter Explained!

    Circles - Area, Circumference, Radius, & Diameter Explained!

    / 8 views

    This basic geometry video tutorial explains how to calculate the area and circumference of a circle given it's radius and diameter. This video contains a few examples with word problems. This video also explains how to calculate the circumference given th

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

    A Miraculous Proof (Ptolemy's Theorem) - Numberphile

    / 23 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!

    / 90 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 The Hardest Mandelbrot Zoom in 2017 - New record, 750 000 000 iterations!

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

    / 97 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

    / 172 views

    We use Minecraft to approximate the value of pi.

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

    How Does a Real-Life Escherian Staircase Work?

    / 108 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

    / 92 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

    / 139 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

    / 141 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 Superhero Triangles - Numberphile

    Superhero Triangles - Numberphile

    / 144 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 The Pizza Theorem

    The Pizza Theorem

    / 210 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

    / 195 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

    / 300 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 The Mandelbrot Set

    The Mandelbrot Set

    / 280 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 The Four Color Theorem | Coloring a Planar Graph

    The Four Color Theorem | Coloring a Planar Graph

    / 177 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

    / 201 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 Incredible Rolling Objects which aren't Spheres!

    Incredible Rolling Objects which aren't Spheres!

    / 555 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 Can you solve the unstoppable blob riddle? - Dan Finkel

    Can you solve the unstoppable blob riddle? - Dan Finkel

    / 393 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

    / 235 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

    / 264 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 Surface Area to Volume Ratios - Christmas Lectures with Philip Morrison

    Surface Area to Volume Ratios - Christmas Lectures with Philip Morrison

    / 230 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 Can you solve the time travel riddle? - Dan Finkel

    Can you solve the time travel riddle? - Dan Finkel

    / 409 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

    / 861 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

    / 290 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

    / 321 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 The mysterious isochronous curve

    The mysterious isochronous curve

    / 366 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

    / 289 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 Measuring Volume with a Ruler

    Measuring Volume with a Ruler

    / 434 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 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

    / 511 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?

    / 274 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 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

    / 372 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 How to Solve for the Height of Cylinders

    How to Solve for the Height of Cylinders

    / 488 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 How to Multiply to Get the Area of a Parallelogram

    How to Multiply to Get the Area of a Parallelogram

    / 513 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 Types of Angles, Figures & Shapes

    Types of Angles, Figures & Shapes

    / 479 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 Can You Solve A Puzzle That Fooled Richard Feynman?

    Can You Solve A Puzzle That Fooled Richard Feynman?

    / 383 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"

    / 244 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 5-Sided Square - Numberphile

    5-Sided Square - Numberphile

    / 373 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 Can you solve the Mondrian squares riddle? - Gordon Hamilton

    Can you solve the Mondrian squares riddle? - Gordon Hamilton

    / 471 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

    / 270 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

    / 228 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

    / 278 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 Round Peg in a Square Hole - Numberphile

    Round Peg in a Square Hole - Numberphile

    / 357 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

    / 282 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 -

  • 06:11 Hexaflexaflakes

    Hexaflexaflakes

    / 312 views

    I hope you enjoy this fun holiday craft! This video is supported by viewers like you! Thanks especially to: Caleb Wright, Albert Wenger, CHLOE, Pat Devlin, Jack Heidrick, Al3x, David Perryman, Wish Society, Carol Ghiorsi Hart, Chris Pierik, Andrea Di Biag

  • 02:14 Visualizing the 600-Cell

    Visualizing the 600-Cell

    / 283 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 How many ways are there to prove the Pythagorean theorem? - Betty Fei

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

    / 419 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 Finding height of a parallelogram

    Finding height of a parallelogram

    / 441 views

    Finding height of a parallelogram

  • 01:31 Example finding area of triangle

    Example finding area of triangle

    / 439 views

    Example finding area of triangle

  • 03:09 Triangle missing side example

    Triangle missing side example

    / 378 views

    Triangle missing side example

  • 03:29 Recognizing common 3D shapes

    Recognizing common 3D shapes

    / 442 views

    Recognizing common 3D shapes

  • 04:17 How volume changes from changing dimensions

    How volume changes from changing dimensions

    / 399 views

    How volume changes from changing dimensions

  • 04:35 Surface area word problem example

    Surface area word problem example

    / 452 views

    Surface area word problem example

  • 03:00 Partial circle area and arc length

    Partial circle area and arc length

    / 436 views

    Partial circle area and arc length

  • 04:51 Relating circumference and area

    Relating circumference and area

    / 402 views

    Relating circumference and area

  • 03:48 Pythagorean theorem with right triangle

    Pythagorean theorem with right triangle

    / 386 views

    Pythagorean theorem with right triangle

  • 04:00 Area of an isosceles triangle

    Area of an isosceles triangle

    / 411 views

    Area of an isosceles triangle

  • 03:41 Example finding distance with Pythagorean theorem

    Example finding distance with Pythagorean theorem

    / 425 views

    Example finding distance with Pythagorean theorem

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

    Calculating the optimal sphere packing density: with oranges

    / 362 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

    / 1,056 views

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

    Featured
  • 13:00 The Moving Sofa Problem - Numberphile

    The Moving Sofa Problem - Numberphile

    / 350 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 Pascal's Triangle - Numberphile

    Pascal's Triangle - Numberphile

    / 380 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 Math Word problems - Solving triangles

    Math Word problems - Solving triangles

    / 501 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 Area of a Triangle - Fun challenging math problem

    Area of a Triangle - Fun challenging math problem

    / 630 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

    / 721 views

    A square is inside of a right triangle. The length of each side of the triangle is 3-4-5. Given this information what are the dimensions of the square? Can you solve this right triangle? My name is Chris and my passion is to teach math. Learning should ne

  • 25:57 The Brachistochrone

    The Brachistochrone

    / 491 views

    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 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

    / 397 views

    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

  • 05:24 Math Challenge - Shrinking Pool Problem

    Math Challenge - Shrinking Pool Problem

    / 590 views

    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

  • 01:32 Easy Puzzle - But can you solve it?

    Easy Puzzle - But can you solve it?

    / 393 views

    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

  • 31:51 Geometry: An Interactive Journey to Mastery | The Great Courses

    Geometry: An Interactive Journey to Mastery | The Great Courses

    / 454 views

    https://www.thegreatcoursesplus.com/geometry-an-interactive-journey-to-mastery?utm_source=US_SocialMedia&utm_medium=SocialMediaEditorialYoutube&utm_campaign=138569 Like other math fields, geometry teaches us how to think. It leads students to uncover new

  • 04:13 Can You Solve This Grade 12 Geometry Problem From Australia? The Marshmallow Chocolate Puzzle

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

    / 453 views

    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

  • 09:11 Can You Solve The Rectangle Ratio Puzzle? The Surprising Answer

    Can You Solve The Rectangle Ratio Puzzle? The Surprising Answer

    / 523 views

    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"

    / 728 views

    This problem was given to Primary 6 (age 11-12) students in Singapore. What is the area of the shaded region in the video, which consists of the region bounded by 4 quarter circles in a 3x3 grid of squares, and each square has a side length of 4? The shad

  • 09:03 Space-Filling Curves - Numberphile

    Space-Filling Curves - Numberphile

    / 354 views

    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.

  • 06:13 Aluminium - The Material That Changed The World

    Aluminium - The Material That Changed The World

    / 326 views

    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 Can You Solve The Hardest Easy Geometry Problem?

    Can You Solve The Hardest Easy Geometry Problem?

    / 662 views

    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

    / 1,279 views

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

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

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

    / 489 views

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

  • 02:49 Ordering Triangle Sides And Angles

    Ordering Triangle Sides And Angles

    / 480 views

    Ordering triangle sides and angles

  • 04:29 Mathematical Present Wrapping

    Mathematical Present Wrapping

    / 395 views

    Mathematician Katie Steckles takes you through some mathematically satisfying ways to wrap presents using paper.

    Featured
  • 03:36 Finding Radius And Diameter From Circumference

    Finding Radius And Diameter From Circumference

    / 374 views

    Finding radius and diameter from circumference

  • 09:26 Informal Argument For The Area Of Circle Formula

    Informal Argument For The Area Of Circle Formula

    / 399 views

    Informal argument for the area of circle formula

  • 08:41 Proving Radius Is Perpendicular To Tangent Line

    Proving Radius Is Perpendicular To Tangent Line

    / 380 views

    Proving radius is perpendicular to tangent line

  • 03:01 Hypotenuse Leg Congruence

    Hypotenuse Leg Congruence

    / 361 views

    Hypotenuse leg congruence

  • 03:56 Segments Tangent To Circle From Outside Point Congruent

    Segments Tangent To Circle From Outside Point Congruent

    / 357 views

    Segments tangent to circle from outside point congruent

  • 04:37 Tangents Of Circles Exercise Examples

    Tangents Of Circles Exercise Examples

    / 348 views

    Tangents of circles exercise examples

  • 04:58 Example Showing Supplementary Oppositie Angles In Inscribed Quadrilateral

    Example Showing Supplementary Oppositie Angles In Inscribed Quadrilateral

    / 466 views

    Example showing supplementary oppositie angles in inscribed quadrilateral

  • 03:56 Popular Proving The Opposite Angles Of Inscribed Quadrilateral Are Supplementary

    Proving The Opposite Angles Of Inscribed Quadrilateral Are Supplementary

    / 755 views

    Proving the opposite angles of inscribed quadrilateral are supplementary

  • 01:35 Seeing Circle Similarity Through Translation And Dilation

    Seeing Circle Similarity Through Translation And Dilation

    / 358 views

    Seeing circle similarity through translation and dilation

  • 01:20 Inscribed Angles Exercise Example

    Inscribed Angles Exercise Example

    / 467 views

    Inscribed angles exercise example

  • 05:27 Arc Measure

    Arc Measure

    / 346 views

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

  • 06:36 Arc Measure Example Problems

    Arc Measure Example Problems

    / 468 views

    Arc measure example problems

  • 06:58 Arc Measure With Equations Examples

    Arc Measure With Equations Examples

    / 365 views

    Arc measure with equations examples

  • 05:49 Solving For Unknown Angle

    Solving For Unknown Angle

    / 327 views

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  • 02:10 Finding Inscribed Angle Measure

    Finding Inscribed Angle Measure

    / 367 views

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  • 06:35 Bisecting Yin And Yang  - Brain Teaser

    Bisecting Yin And Yang - Brain Teaser

    / 529 views

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

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

    / 443 views

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

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

    / 407 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 Right Triangle Word Problems — Basic Example | Math | New SAT | Khan Academy

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

    / 440 views

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

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

    / 437 views

    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

  • 03:52 Angles, Arc Lengths, And Trig Functions — Basic Example | Math | New SAT | Khan Academy

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

    / 432 views

    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

  • 03:45 Angles, Arc Lengths, And Trig Functions — Harder Example | Math | New SAT | Khan Academy

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

    / 450 views

    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

  • 04:28 Circle Theorems — Basic Example | Math | New SAT | Khan Academy

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

    / 526 views

    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

  • 04:10 Circle Theorems — Harder Example | Math | New SAT | Khan Academy

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

    / 502 views

    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

  • 04:19 Congruence And Similarity — Basic Example | Math | New SAT | Khan Academy

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

    / 450 views

    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

  • 03:18 Congruence And Similarity — Harder Example | Math | New SAT | Khan Academy

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

    / 374 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

  • 08:17 Right Triangle Geometry — Basic Example | Math | New SAT | Khan Academy

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

    / 468 views

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

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

    / 357 views

    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

  • 01:53 Circle Equations — Basic Example | Math | New SAT | Khan Academy

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

    / 487 views

    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

  • 02:49 Circle Equations — Harder Example | Math | New SAT | Khan Academy

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

    / 383 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

  • 05:02 Positive And Negative Slope | Algebra I | Khan Academy

    Positive And Negative Slope | Algebra I | Khan Academy

    / 409 views

    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

  • 02:35 Interpreting Linear Formulas Example 2 | Algebra I | Khan Academy

    Interpreting Linear Formulas Example 2 | Algebra I | Khan Academy

    / 368 views

    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

  • 05:30 Graphing Linear Functions Example 1 | Algebra I | Khan Academy

    Graphing Linear Functions Example 1 | Algebra I | Khan Academy

    / 399 views

    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-

  • 03:12 Graphing Linear Functions Example 2 | Algebra I | Khan Academy

    Graphing Linear Functions Example 2 | Algebra I | Khan Academy

    / 409 views

    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

  • 01:07 How To Match Function Input To Output Given The Graph (example) | Algebra I | Khan Academy

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

    / 378 views

    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

  • 01:49 How To Find Two Function Inputs With The Same Output Given Graph (example) | Khan Academy

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

    / 454 views

    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

  • 05:09 Converting From Slope-intercept To Standard Form | Algebra I | Khan Academy

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

    / 517 views

    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

  • 07:23 Introduction To Transformations | Transformations | Geometry | Khan Academy

    Introduction To Transformations | Transformations | Geometry | Khan Academy

    / 455 views

    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

  • 01:37 Translation Example | Transformations | Geometry | Khan Academy

    Translation Example | Transformations | Geometry | Khan Academy

    / 491 views

    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

  • 01:25 Using Rotation Widget | Transformations | Geometry | Khan Academy

    Using Rotation Widget | Transformations | Geometry | Khan Academy

    / 473 views

    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

  • 01:48 Using Reflection Tool | Transformations | Geometry | Khan Academy

    Using Reflection Tool | Transformations | Geometry | Khan Academy

    / 590 views

    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 Formal Translation Tool Example | Transformations | Geometry | Khan Academy

    Formal Translation Tool Example | Transformations | Geometry | Khan Academy

    / 499 views

    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

  • 01:55 Drawing Image Of Translation | Transformations | Geometry | Khan Academy

    Drawing Image Of Translation | Transformations | Geometry | Khan Academy

    / 521 views

    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

  • 02:46 Defining Rotation Example | Transformations | Geometry | Khan Academy

    Defining Rotation Example | Transformations | Geometry | Khan Academy

    / 492 views

    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

  • 05:41 Points On Line Of Reflection | Transformations | Geometry | Khan Academy

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

    / 465 views

    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

  • 07:19 Reflecting Segments Over Line | Transformations | Geometry | Khan Academy

    Reflecting Segments Over Line | Transformations | Geometry | Khan Academy

    / 455 views

    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

  • 02:28 Drawing Line Of Reflection | Transformations | Geometry | Khan Academy

    Drawing Line Of Reflection | Transformations | Geometry | Khan Academy

    / 514 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

  • 10:32 Rotating About Arbitrary Point | Transformations | Geometry | Khan Academy

    Rotating About Arbitrary Point | Transformations | Geometry | Khan Academy

    / 485 views

    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 Points After Rotation | Transformations | Geometry | Khan Academy

    Points After Rotation | Transformations | Geometry | Khan Academy

    / 471 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 The Mathematical Secrets Of Pascal’s Triangle - Wajdi Mohamed Ratemi

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

    / 445 views

    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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    Example Finding Area With Fractional Sides

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    Intuition For Area With Fractional Side Lengths

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  • 57:34 Topology, Geometry And Life In Three Dimensions

    Topology, Geometry And Life In Three Dimensions

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  • 07:32 Examples Interpreting Graphs Of Proportional Relationships

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  • 05:56 Intervals When Function Is Increasing, Decreasing, Postive Or Negative

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  • 07:43 How To Trisect An Angle With Origami - Numberphile

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  • 16:51 Euclid's Big Problem - Numberphile

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  • 07:58 Popular Math Antics - Circles, What Is PI?

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  • 03:00 Pythagorean Theorem 3

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  • 04:17 Pythagorean Theorem 2

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  • 04:32 Pythagorean Theorem 1

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  • 03:29 Perpendicular Lines

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  • 02:43 Parallel lines 3

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  • 03:03 Parallel Lines 2

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  • 03:49 Parallel Lines

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    / 548 views

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  • 07:57 Point-slope and standard form

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  • 05:07 Converting to slope-intercept form

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  • 03:02 Graphing a line in slope intercept form

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    / 373 views

    U04_L1_T3_we1 : Graphing a line in slope intercept form More free lessons at: http://www.khanacademy.org/video?v=uk7gS3cZVp4 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 03:25 X and Y intercepts 2

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  • 04:08 X  and Y intercepts

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    U04_L1_T2_we1 : X and Y intercepts More free lessons at: http://www.khanacademy.org/video?v=xGmef7lFc5w Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:03 Slope Example

    Slope Example

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    U04_L1_T1_we2 : Slope Example More free lessons at: http://www.khanacademy.org/video?v=jTCZfMMcHBo Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:40 Slope of a line

    Slope of a line

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    U04_L1_T1_we1 : Slope of a line More free lessons at: http://www.khanacademy.org/video?v=R948Tsyq4vA Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:35 Volume of a Sphere

    Volume of a Sphere

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    u07_l3_t1_we2 Volume of a Sphere More free lessons at: http://www.khanacademy.org/video?v=IelS2vg7JO8 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 03:03 Perimeter and Area of a Non-Standard Polygon

    Perimeter and Area of a Non-Standard Polygon

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    u07_l2_t2_we3 Perimeter and Area of a Non-Standard Polygon More free lessons at: http://www.khanacademy.org/video?v=7S1MLJOG-5A Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:44 Area of a Trapezoid

    Area of a Trapezoid

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    u07_l2_t2_we2 Area of a Trapezoid

  • 01:20 Perimeter of a Polygon

    Perimeter of a Polygon

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    u07_l2_t2_we1 Perimeter of a Polygon More free lessons at: http://www.khanacademy.org/video?v=5ZCKr4wTQvI Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 01:42 Finding Missing Angles

    Finding Missing Angles

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    u07_l1_t2_we3 Finding Missing Angles Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:36 Identifying Complementary and Supplementary Angles

    Identifying Complementary and Supplementary Angles

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    u07_l1_t2_we2 Identifying Complementary and Supplementary Angles Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 03:35 Identifying Parallel and Perpendicular Lines

    Identifying Parallel and Perpendicular Lines

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    u07_l1_t2_we1 Identifying Parallel and Perpendicular Lines More free lessons at: http://www.khanacademy.org/video?v=aq_XL6FrmGs Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 06:35 Acute Obtuse and Right Angles

    Acute Obtuse and Right Angles

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    u07_l1_t1_we2 Acute Obtuse and Right Angles Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 05:41 Identifying Rays

    Identifying Rays

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    u07_l1_t1_we1 Identifying Rays More free lessons at: http://www.khanacademy.org/video?v=w9jEq6dmqPg Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 07:13 Volume of a Composite Shape

    Volume of a Composite Shape

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    u07_l3_t1_we3 Volume of a Composite Shape

  • 03:27 Identifying Geometric Solids

    Identifying Geometric Solids

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    u07_l3_t1_we1 Identifying Geometric Solids

  • 06:12 Area and Perimeter of Composite Figures

    Area and Perimeter of Composite Figures

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    u07_l2_t3_we4 Area and Perimeter of Composite Figures

  • 02:45 Area of a Circle

    Area of a Circle

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