Geometry
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04:46
Can you solve the Mondrian squares riddle? - Gordon Hamilton
/ 58 viewsPractice 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
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06:13
Calculating the circumference of the Earth in 200 BC
/ 32 viewsIn 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
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02:43
The Man Teaching Math Lessons in the Sky
/ 23 viewsWinfred 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
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02:04
Non-Euclidean Geometry of a Sphere - Christmas Lectures with Philip Morrison
/ 21 viewsAccording 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
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03:24
Round Peg in a Square Hole - Numberphile
/ 53 viewsFeaturing 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
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01:38
How to Turn a Sphere Inside Out
/ 72 viewsThis video describes a way to invert a sphere. Simply fascinating to watch.
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06:39
Pythagoras Theorem Explained - Mathemagic with Bawa
/ 62 viewshttp://www.youtube.com/watch?v=49_TJymgXgM - Mathemagic - (a+b)²=a²+2ab+b² - But Why? One of the elementary formula in high school mathematics, most of us know this formula. But do we actually know why? In this video Khurshed Batliwala, fon
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01:20
Proof Without Words: The Circle
/ 47 viewsProve 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 -
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06:11
Hexaflexaflakes
/ 67 viewsI 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
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02:14
Visualizing the 600-Cell
/ 67 viewsMathematician/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
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05:17
How many ways are there to prove the Pythagorean theorem? - Betty Fei
/ 101 viewsCheck 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
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04:17
How volume changes from changing dimensions
/ 101 viewsHow volume changes from changing dimensions
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03:41
Example finding distance with Pythagorean theorem
/ 95 viewsExample finding distance with Pythagorean theorem
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22:41
Calculating the optimal sphere packing density: with oranges
/ 106 viewsCheck 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
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12:55
Math Antics - The Pythagorean Theorem
/ 210 viewsLearn more at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
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13:00
The Moving Sofa Problem - Numberphile
/ 123 viewsFeaturing 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
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12:33
Pascal's Triangle - Numberphile
/ 104 viewsJust 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
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04:32
Math Word problems - Solving triangles
/ 147 viewsBecome 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
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05:04
Area of a Triangle - Fun challenging math problem
/ 225 viewsCan 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
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03:41
Polygons Song For Kids Rap Video: Geometry Quadrilaterals Hexagons etc.
/ 213 viewsFull lesson plan and more: http://numberock.com/polygons/ Description: Alan kite surfs, skateboards, bikes, dives, and explores space as he learns about Triangles, Quadrilaterals, Pentagons, Hexagons, Heptagons, Octagons, Nonagons, and Decagons. These sha
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04:55
Solve the right triangle - Trigonometry Brain Teaser
/ 225 viewsA 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
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25:57
The Brachistochrone
/ 118 viewsBRAIN 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
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01:20
How Giant Lava Caves on Earth May Help Us Survive on Mars | National Geographic
/ 133 viewsThe 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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05:24
Math Challenge - Shrinking Pool Problem
/ 195 viewsThink 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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01:32
Easy Puzzle - But can you solve it?
/ 134 viewsSolve 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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31:51
Geometry: An Interactive Journey to Mastery | The Great Courses
/ 124 viewshttps://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
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04:13
Can You Solve This Grade 12 Geometry Problem From Australia? The Marshmallow Chocolate Puzzle
/ 155 viewsA 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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09:11
Can You Solve The Rectangle Ratio Puzzle? The Surprising Answer
/ 167 viewsStart 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
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05:57
Can You Solve This 6th Grade Geometry Problem From Singapore? The Area Of A "Claw"
/ 283 viewsThis 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
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09:03
Space-Filling Curves - Numberphile
/ 139 viewsHenry 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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06:13
Aluminium - The Material That Changed The World
/ 125 viewsThanks 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
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08:05
Can You Solve The Hardest Easy Geometry Problem?
/ 226 viewsIn 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
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12:36
Math Antics - Volume
/ 365 viewsLearn 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
Proof - Sum of Measures of Angles in a Triangle are 180
/ 153 viewsProof that the sum of the measures of the angles in a triangle are 180
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04:29
Mathematical Present Wrapping
/ 179 viewsMathematician Katie Steckles takes you through some mathematically satisfying ways to wrap presents using paper.
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03:36
Finding Radius And Diameter From Circumference
/ 159 viewsFinding radius and diameter from circumference
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09:26
Informal Argument For The Area Of Circle Formula
/ 135 viewsInformal argument for the area of circle formula
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08:41
Proving Radius Is Perpendicular To Tangent Line
/ 141 viewsProving radius is perpendicular to tangent line
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03:56
Segments Tangent To Circle From Outside Point Congruent
/ 147 viewsSegments tangent to circle from outside point congruent
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04:58
Example Showing Supplementary Oppositie Angles In Inscribed Quadrilateral
/ 161 viewsExample showing supplementary oppositie angles in inscribed quadrilateral
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03:56
Proving The Opposite Angles Of Inscribed Quadrilateral Are Supplementary
/ 173 viewsProving the opposite angles of inscribed quadrilateral are supplementary
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01:35
Seeing Circle Similarity Through Translation And Dilation
/ 141 viewsSeeing circle similarity through translation and dilation
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05:49
Solving For Unknown Angle
/ 128 viewsSolving for unknown angle. One method using an inscribed angle intercepting a diameter of a circle.
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06:35
Bisecting Yin And Yang - Brain Teaser
/ 191 viewsCan 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 -
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02:18
The Volume Song For Kids: Online Education Rap, Pop & Hip-Hop
/ 195 viewsWorksheets, Cloze, Quiz, and more at Teachers Pay Teachers[http://goo.gl/cfW2G8] TES[http://goo.gl/jXgRhd] Subscribe to Our YouTube Channel! http://goo.gl/3H3bJ6 This song makes makes it clear how to measure the volume of different things... like a robot!
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02:22
Types Of Lines Song: Online Education Student Music Videos
/ 255 viewsGet the Companion Worksheet Set and other Video-Linked Teaching Resources at: Teachers Pay Teachers[http://goo.gl/cfW2G8] TES[http://goo.gl/jXgRhd] Subscribe to Our YouTube Channel here: http://goo.gl/3H3bJ6 Learn about Parallel, Perpendicular, and Inters
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Types Of Angles Song: Online Education Songs For Kids
/ 306 viewsWorksheets, Cloze, Quiz, and more at Teachers Pay Teachers[http://goo.gl/cfW2G8] TES[http://goo.gl/jXgRhd] Stop right here: YOU have found the most fun way to learn about Right Angles, Acute Angles, and Obtuse Angles ever! SUBSCRIBE to our YouTube Channel
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02:56
Capacity Song For Kids: Online Education Songs For Kids
/ 354 viewsWorksheets, Cloze, Quiz, and more at Teachers Pay Teachers[http://goo.gl/cfW2G8] TES[http://goo.gl/jXgRhd] Capacity's Not Exactly Volume. Learn why, here! There's more where this came from! http://goo.gl/3H3bJ6 LYRICS: ____________________________________
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02:05
3D SHAPES SONG: Online Education Shape Songs Collection
/ 273 viewsGet the Companion Worksheet Set and other Video-Linked Teaching Resources at: Teachers Pay Teachers[http://goo.gl/cfW2G8] TES[http://goo.gl/jXgRhd] SUBSCRIBE TO OUR YOUTUBE CHANNEL: http://goo.gl/3H3bJ6 Learn the definition of various 3-D shapes through e
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01:56
Types Of Triangles Song - Online Education Songs For Kids
/ 225 viewsWorksheets, Cloze, Quiz, and more at Teachers Pay Teachers[http://goo.gl/cfW2G8] TES[http://goo.gl/jXgRhd] Triangle, tell me your secrets. Are you Scalene, Isosceles, Right, Equilateral, Obtuse or Acute? There's more where this came from! http://goo.gl/3H
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03:59
Volume Word Problems — Basic Example | Math | New SAT | Khan Academy
/ 157 viewsWatch 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
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05:09
Volume Word Problems — Harder Example | Math | New SAT | Khan Academy
/ 137 viewsWatch 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
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03:52
Right Triangle Word Problems — Basic Example | Math | New SAT | Khan Academy
/ 132 viewsWatch 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
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05:33
Right Triangle Word Problems — Harder Example | Math | New SAT | Khan Academy
/ 161 viewsWatch 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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03:52
Angles, Arc Lengths, And Trig Functions — Basic Example | Math | New SAT | Khan Academy
/ 149 viewsWatch 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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03:45
Angles, Arc Lengths, And Trig Functions — Harder Example | Math | New SAT | Khan Academy
/ 167 viewsWatch 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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04:28
Circle Theorems — Basic Example | Math | New SAT | Khan Academy
/ 171 viewsWatch 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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04:10
Circle Theorems — Harder Example | Math | New SAT | Khan Academy
/ 207 viewsWatch 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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04:19
Congruence And Similarity — Basic Example | Math | New SAT | Khan Academy
/ 145 viewsWatch 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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03:18
Congruence And Similarity — Harder Example | Math | New SAT | Khan Academy
/ 146 viewsWatch 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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08:17
Right Triangle Geometry — Basic Example | Math | New SAT | Khan Academy
/ 146 viewsWatch 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
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03:43
Right Triangle Geometry — Harder Example | Math | New SAT | Khan Academy
/ 125 viewsWatch 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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01:53
Circle Equations — Basic Example | Math | New SAT | Khan Academy
/ 167 viewsWatch 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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02:49
Circle Equations — Harder Example | Math | New SAT | Khan Academy
/ 154 viewsWatch 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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05:02
Positive And Negative Slope | Algebra I | Khan Academy
/ 161 viewsPositive 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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02:34
Converting From Standard Form To Slope-intercept Form | Algebra I | Khan Academy
/ 196 viewsStandard form to slope-intercept 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/slope-from-an-equation-in-standard-form?utm_source=Y
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02:35
Interpreting Linear Formulas Example 2 | Algebra I | Khan Academy
/ 125 viewsLinear 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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05:30
Graphing Linear Functions Example 1 | Algebra I | Khan Academy
/ 140 viewsLearn 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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03:12
Graphing Linear Functions Example 2 | Algebra I | Khan Academy
/ 155 viewsGraphing 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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01:07
How To Match Function Input To Output Given The Graph (example) | Algebra I | Khan Academy
/ 135 viewsSal 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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01:49
How To Find Two Function Inputs With The Same Output Given Graph (example) | Khan Academy
/ 159 viewsSal 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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05:09
Converting From Slope-intercept To Standard Form | Algebra I | Khan Academy
/ 170 viewsConverting 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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07:23
Introduction To Transformations | Transformations | Geometry | Khan Academy
/ 150 viewsIntroduction 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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01:37
Translation Example | Transformations | Geometry | Khan Academy
/ 141 viewsTranslation 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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01:25
Using Rotation Widget | Transformations | Geometry | Khan Academy
/ 174 viewsUsing 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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01:48
Using Reflection Tool | Transformations | Geometry | Khan Academy
/ 177 viewsUsing 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
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01:32
Formal Translation Tool Example | Transformations | Geometry | Khan Academy
/ 142 viewsFormal 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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01:55
Drawing Image Of Translation | Transformations | Geometry | Khan Academy
/ 167 viewsPractice 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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02:46
Defining Rotation Example | Transformations | Geometry | Khan Academy
/ 145 viewsDefining 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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05:41
Points On Line Of Reflection | Transformations | Geometry | Khan Academy
/ 146 viewsPoints 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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07:19
Reflecting Segments Over Line | Transformations | Geometry | Khan Academy
/ 140 viewsReflecting 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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02:28
Drawing Line Of Reflection | Transformations | Geometry | Khan Academy
/ 158 viewsDrawing 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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10:32
Rotating About Arbitrary Point | Transformations | Geometry | Khan Academy
/ 136 viewsRotating 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:
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08:13
Points After Rotation | Transformations | Geometry | Khan Academy
/ 128 viewsPoints 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
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04:50
The Mathematical Secrets Of Pascal’s Triangle - Wajdi Mohamed Ratemi
/ 228 viewsView 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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03:47
Example Finding Area With Fractional Sides
/ 175 viewsExample finding area with fractional sides
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07:02
Intuition For Area With Fractional Side Lengths
/ 203 viewsIntuition for area with fractional side lengths
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02:57
Intuition For Area Of A Parallelogram
/ 179 viewsIntuition for area of a parallelogram
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03:51
Dimensions Of Rectangle From Coordinates Example
/ 171 viewsDimensions of rectangle from coordinates example
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02:41
Finding Coordinates Of Missing Vertex Example
/ 316 viewsFinding coordinates of missing vertex example
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02:08
Area Of Parallelogram On Coordinate Plane
/ 156 viewsArea of parallelogram on coordinate plane
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57:34
Topology, Geometry And Life In Three Dimensions
/ 180 viewsIf 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
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07:32
Examples Interpreting Graphs Of Proportional Relationships
/ 223 viewsExamples 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
/ 252 viewsZsuzsanna 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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16:51
Euclid's Big Problem - Numberphile
/ 257 viewsTrisecting 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://
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02:59
Arc Length As Fraction Of Circumference
/ 334 viewsArc length as fraction of circumference More free lessons at: http://www.khanacademy.org/video?v=XFI7GK4Nv-s
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05:35
Another Example Using Compass And Straightedge For Tangent Line
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05:50
Constructing A Tangent Line Using Compass And Straightedge
/ 215 viewsConstructing a tangent line using compass and straightedge
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07:56
Math Antics - Circles, Circumference And Area
/ 433 viewsLearn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
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Math Antics - Circles, What Is PI?
/ 365 viewsLearn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
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10:27 Popular
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/ 1,216 viewsLearn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
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Math Antics - Perimeter
/ 318 viewsLearn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
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09:50
Math Antics - Quadrilaterals
/ 324 viewsLearn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
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07:40
Math Antics - Triangles
/ 385 viewsLearn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
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07:27
Math Antics - Polygons
/ 342 viewsLearn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
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09:17
Math Antics - Angles&Degrees
/ 248 viewsLearn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
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07:46
Math Antics - Angle Basics
/ 266 viewsLearn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
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07:54
Math Antics - Points, Lines,&Planes
/ 250 viewsLearn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
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08:50
Visual Pythagorean Theorem Proof
/ 219 viewsVisual Pythagorean Theorem Proof - some basic geometry required
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06:41
Midpoint Formula
/ 194 viewsMidpoint Formula More free lessons at: http://www.khanacademy.org/video?v=Ez_-RwV9WVo
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13:03
Pythagorean Theorem
/ 223 viewsPythagorean Theorem More free lessons at: http://www.khanacademy.org/video?v=AEIzy1kNRqo
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03:00
Pythagorean Theorem 3
/ 190 viewsU07_L2_T1_we3 Pythagorean Theorem 3 More free lessons at: http://www.khanacademy.org/video?v=T0IOrRETWhI Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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04:17
Pythagorean Theorem 2
/ 223 viewsU07_L2_T1_we2 Pythagorean Theorem 2 More free lessons at: http://www.khanacademy.org/video?v=O64YFlX1_aI Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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04:32
Pythagorean Theorem 1
/ 226 viewsU07_L2_T1_we1 Pythagorean Theorem 1 More free lessons at: http://www.khanacademy.org/video?v=JVrkLIcA2qw Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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03:29
Perpendicular Lines
/ 224 viewsU04_L2_T2_we1 : Perpendicular Lines More free lessons at: http://www.khanacademy.org/video?v=0671cRNjeKI Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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02:43
Parallel lines 3
/ 179 viewsU04_L2_T1_we3 : Parallel lines 3 More free lessons at: http://www.khanacademy.org/video?v=y5yNi08cr6I Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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03:03
Parallel Lines 2
/ 186 viewsU04_L2_T1_we2 : Parallel Lines 2 More free lessons at: http://www.khanacademy.org/video?v=lOWXZFP8Vuc Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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03:49
Parallel Lines
/ 207 viewsU04_L2_T1_we1 : Parallel Lines More free lessons at: http://www.khanacademy.org/video?v=T-aCweuimis Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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07:57
Point-slope and standard form
/ 184 viewsU04_L1_T4_we2 : Point-slope and standard form More free lessons at: http://www.khanacademy.org/video?v=-6Fu2T_RSGM Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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05:07
Converting to slope-intercept form
/ 223 viewsU04_L1_T4_we1 : Converting to slope-intercept form More free lessons at: http://www.khanacademy.org/video?v=V6Xynlqc_tc Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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03:02
Graphing a line in slope intercept form
/ 183 viewsU04_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
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03:25
X and Y intercepts 2
/ 194 viewsU04_L1_T2_we2 : X and Y intercepts 2 More free lessons at: http://www.khanacademy.org/video?v=405boztgZig Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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04:08
X and Y intercepts
/ 203 viewsU04_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
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04:03
Slope Example
/ 204 viewsU04_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
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04:40
Slope of a line
/ 189 viewsU04_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
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02:35
Volume of a Sphere
/ 231 viewsu07_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
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03:03
Perimeter and Area of a Non-Standard Polygon
/ 282 viewsu07_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
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01:20
Perimeter of a Polygon
/ 191 viewsu07_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
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01:42
Finding Missing Angles
/ 213 viewsu07_l1_t2_we3 Finding Missing Angles Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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02:36
Identifying Complementary and Supplementary Angles
/ 199 viewsu07_l1_t2_we2 Identifying Complementary and Supplementary Angles Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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03:35
Identifying Parallel and Perpendicular Lines
/ 356 viewsu07_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
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06:35
Acute Obtuse and Right Angles
/ 239 viewsu07_l1_t1_we2 Acute Obtuse and Right Angles Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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05:41
Identifying Rays
/ 184 viewsu07_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
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06:12
Area and Perimeter of Composite Figures
/ 257 viewsu07_l2_t3_we4 Area and Perimeter of Composite Figures
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02:01
Parts of a Circle
/ 215 viewsu07_l2_t3_we1 Parts of a Circle More free lessons at: http://www.khanacademy.org/video?v=04N79tItPEA Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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05:07
Quadrilateral Properties
/ 225 viewsu07_l2_t1_we1 Quadrilateral Properties More free lessons at: http://www.khanacademy.org/video?v=5CeBlu260Rw Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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05:34
Application of Similar Triangles
/ 240 viewsu07_l1_t3_we5 Application of Similar Triangles Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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03:23
Missing Measurements for Similar Triangles
/ 197 viewsu07_l1_t3_we4 Missing Measurements for Similar Triangles
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03:07
Similar Triangles Corresponding Sides and Angles
/ 222 viewsu07_l1_t3_we3 Similar Triangles Corresponding Sides and Angles
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03:53
Congruent and Similar Triangles
/ 239 viewsu07_l1_t3_we2 Congruent and Similar Triangles Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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14:45
Distance Between Planes
/ 220 views2010 IIT JEE Paper 1 Problem 51 Distance Between Planes More free lessons at: http://www.khanacademy.org/video?v=v8plb6V8BQo
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12:12
Point distance to plane
/ 197 viewsDistance between a point and a plane in three dimensions More free lessons at: http://www.khanacademy.org/video?v=7rIFO8hct9g
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09:58
Normal vector from plane equation
/ 215 viewsFiguring out a normal vector to a plane from its equation More free lessons at: http://www.khanacademy.org/video?v=gw-4wltP5tY
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12:17
IIT JEE Circle Hyperbola Common Tangent Part 5
/ 303 views2010 IIT JEE Paper 1 Problem 45 Circle Hyperbola Common Tangent Part 5 More free lessons at: http://www.khanacademy.org/video?v=rPoqpQcgNv4
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10:36
IIT JEE Circle Hyperbola Common Tangent Part 4
/ 244 views2010 IIT JEE Paper 1 Problem 45 Circle Hyperbola Common Tangent Part 4 More free lessons at: http://www.khanacademy.org/video?v=eGo8C2Jshzs
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08:55
IIT JEE Circle Hyperbola Common Tangent Part 3
/ 244 views2010 IIT JEE Paper 1 Problem 45 Circle Hyperbola Common Tangent Part 3 More free lessons at: http://www.khanacademy.org/video?v=RomnHMWSLoE
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10:45
IIT JEE Circle Hyperbola Common Tangent Part 2
/ 264 views2010 IIT JEE Paper 1 Problem 45 Circle Hyperbola Common Tangent Part 2 More free lessons at: http://www.khanacademy.org/video?v=0imeUgSxR10
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06:16
IIT JEE Circle Hyperbola Common Tangent Part 1
/ 262 views2010 IIT JEE Paper 1 Problem 45 Circle Hyperbola Common Tan More free lessons at: http://www.khanacademy.org/video?v=MhLfun2Vask
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12:44
IIT JEE Circle Hyperbola Intersection
/ 240 views2010 IIT JEE Paper 1 Problem 46 Circle Hyperbola Intersection More free lessons at: http://www.khanacademy.org/video?v=6g3DPg2HqGw
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08:05
IIT JEE Perpendicular Plane (part 2)
/ 196 views2010 IIT JEE Paper 1 #30 normal vector and planes (Part 2) More free lessons at: http://www.khanacademy.org/video?v=66pQLO--Ghk
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10:26
IIT JEE Perpendicular Planes (Part 1)
/ 234 views2010 IIT JEE Paper 1 #30 normal vector and planes (Part 1) More free lessons at: http://www.khanacademy.org/video?v=2u535-HVJ_o
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18:18
2003 AIME II Problem 14
/ 211 viewsTrigonometry and geometry to find the area of an equilateral (but not regular) hexagon More free lessons at: http://www.khanacademy.org/video?v=Ec-BKdC8vOo
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16:36
2003 AIME II Problem 11.avi
/ 199 viewsA little trigonometry to figure out the area of a triangle More free lessons at: http://www.khanacademy.org/video?v=smtrrefmC40
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16:13
2003 AIME II Problem 13
/ 193 viewsProbability of moving to a vertex More free lessons at: http://www.khanacademy.org/video?v=vKMNRcctwL4
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09:06
Area Circumradius Formula Proof
/ 198 viewsProof of the formula relating the area of a triangle to its circumradius More free lessons at: http://www.khanacademy.org/video?v=x_aax6LSRtE
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17:42
2003 AIME II Problem 6
/ 209 viewsFinding area of a skewed star More free lessons at: http://www.khanacademy.org/video?v=l9j26EOvTYc
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02:27
2003 AIME II Problem 5 Minor Correction
/ 210 views2003 AIME II Problem 5 Minor Correction More free lessons at: http://www.khanacademy.org/video?v=yXg5CYuCcU4
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08:14
2003 AIME II Problem 5
/ 208 viewsVolume of a wedge cut from a cylindrical log More free lessons at: http://www.khanacademy.org/video?v=EzE53aPGbrQ
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14:15
2003 AIME II Problem 4 (part 1)
/ 186 views2003 AIME II Problem 4 (part 1) More free lessons at: http://www.khanacademy.org/video?v=gXnHodHNusg
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02:21
u08_l1_t2_we2 Reading Line Graphs
/ 203 viewsu08_l1_t2_we2 Reading Line Graphs More free lessons at: http://www.khanacademy.org/video?v=36v2EXZRzUE Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
