Geometry

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

by Admin Added 1 month ago 29 Views / 0 Likes

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

by Admin Added 4 months ago 45 Views / 0 Likes

Finding height of a parallelogram
01:31
Example finding area of triangle

by Admin Added 4 months ago 31 Views / 0 Likes

Example finding area of triangle
03:09
Triangle missing side example

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Triangle missing side example
03:29
Recognizing common 3D shapes

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Recognizing common 3D shapes
04:17
How volume changes from changing dimensions

by Admin Added 4 months ago 31 Views / 0 Likes

How volume changes from changing dimensions
04:35
Surface area word problem example

by Admin Added 4 months ago 38 Views / 0 Likes

Surface area word problem example
03:00
Partial circle area and arc length

by Admin Added 4 months ago 28 Views / 0 Likes

Partial circle area and arc length
04:51
Relating circumference and area

by Admin Added 4 months ago 31 Views / 0 Likes

Relating circumference and area
03:48
Pythagorean theorem with right triangle

by Admin Added 4 months ago 31 Views / 0 Likes

Pythagorean theorem with right triangle
04:00
Area of an isosceles triangle

by Admin Added 4 months ago 29 Views / 0 Likes

Area of an isosceles triangle
03:41
Example finding distance with Pythagorean theorem

by Admin Added 4 months ago 32 Views / 0 Likes

Example finding distance with Pythagorean theorem
22:41
Calculating the optimal sphere packing density: with oranges

by Admin Added 5 months ago 40 Views / 0 Likes

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
Math Antics - The Pythagorean Theorem

by Admin Added 5 months ago 107 Views / 0 Likes

Learn 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

by Admin Added 6 months ago 51 Views / 0 Likes

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

by Admin Added 6 months ago 47 Views / 0 Likes

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

by Admin Added 6 months ago 67 Views / 0 Likes

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

by Admin Added 6 months ago 103 Views / 0 Likes

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
03:41
Polygons Song For Kids Rap Video: Geometry Quadrilaterals Hexagons etc.

by Admin Added 6 months ago 111 Views / 0 Likes

Full 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
04:55
Solve the right triangle - Trigonometry Brain Teaser

by Admin Added 8 months ago 84 Views / 0 Likes

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

by Admin Added 9 months ago 52 Views / 0 Likes

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

by Admin Added 9 months ago 64 Views / 0 Likes

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

by Admin Added 9 months ago 113 Views / 0 Likes

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?

by Admin Added 9 months ago 68 Views / 0 Likes

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

by Admin Added 9 months ago 58 Views / 0 Likes

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

by Admin Added 11 months ago 79 Views / 0 Likes

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

by Admin Added 11 months ago 86 Views / 0 Likes

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

by Admin Added 12 months ago 173 Views / 0 Likes

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

by Admin Added 1 year ago 70 Views / 0 Likes

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

by Admin Added 1 year ago 63 Views / 0 Likes

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?

by Admin Added 1 year ago 134 Views / 1 Likes

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
Math Antics - Volume

by Admin Added 1 year ago 235 Views / 0 Likes

Learn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
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06:31
Proof - Sum of Measures of Angles in a Triangle are 180

by Admin Added 1 year ago 82 Views / 0 Likes

Proof that the sum of the measures of the angles in a triangle are 180
02:49
Ordering Triangle Sides And Angles

by Admin Added 1 year ago 92 Views / 0 Likes

Ordering triangle sides and angles
04:29
Mathematical Present Wrapping

by Admin Added 1 year ago 120 Views / 0 Likes

Mathematician 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

by Admin Added 1 year ago 86 Views / 0 Likes

Finding radius and diameter from circumference
09:26
Informal Argument For The Area Of Circle Formula

by Admin Added 1 year ago 84 Views / 0 Likes

Informal argument for the area of circle formula
08:41
Proving Radius Is Perpendicular To Tangent Line

by Admin Added 1 year ago 73 Views / 0 Likes

Proving radius is perpendicular to tangent line
03:01
Hypotenuse Leg Congruence

by Admin Added 1 year ago 65 Views / 0 Likes

Hypotenuse leg congruence
03:56
Segments Tangent To Circle From Outside Point Congruent

by Admin Added 1 year ago 90 Views / 0 Likes

Segments tangent to circle from outside point congruent
04:37
Tangents Of Circles Exercise Examples

by Admin Added 1 year ago 75 Views / 0 Likes

Tangents of circles exercise examples
04:58
Example Showing Supplementary Oppositie Angles In Inscribed Quadrilateral

by Admin Added 1 year ago 100 Views / 0 Likes

Example showing supplementary oppositie angles in inscribed quadrilateral
03:56
Proving The Opposite Angles Of Inscribed Quadrilateral Are Supplementary

by Admin Added 1 year ago 109 Views / 0 Likes

Proving the opposite angles of inscribed quadrilateral are supplementary
01:35
Seeing Circle Similarity Through Translation And Dilation

by Admin Added 1 year ago 82 Views / 0 Likes

Seeing circle similarity through translation and dilation
01:20
Inscribed Angles Exercise Example

by Admin Added 1 year ago 91 Views / 0 Likes

Inscribed angles exercise example
05:27
Arc Measure

by Admin Added 1 year ago 84 Views / 0 Likes

Introduction to arc measure (and a comparison to arc length).
06:36
Arc Measure Example Problems

by Admin Added 1 year ago 83 Views / 0 Likes

Arc measure example problems
06:58
Arc Measure With Equations Examples

by Admin Added 1 year ago 83 Views / 0 Likes

Arc measure with equations examples
05:49
Solving For Unknown Angle

by Admin Added 1 year ago 82 Views / 0 Likes

Solving for unknown angle. One method using an inscribed angle intercepting a diameter of a circle.
02:10
Finding Inscribed Angle Measure

by Admin Added 1 year ago 85 Views / 0 Likes

Finding inscribed angle measure
06:35
Bisecting Yin And Yang - Brain Teaser

by Admin Added 1 year ago 104 Views / 0 Likes

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 -
02:18
The Volume Song For Kids: Online Education Rap, Pop & Hip-Hop

by Admin Added 1 year ago 132 Views / 2 Likes

Worksheets, 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!
02:22
Types Of Lines Song: Online Education Student Music Videos

by Admin Added 1 year ago 162 Views / 0 Likes

Get 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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01:47
Types Of Angles Song: Online Education Songs For Kids

by Admin Added 1 year ago 180 Views / 2 Likes

Worksheets, 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
02:56
Capacity Song For Kids: Online Education Songs For Kids

by Admin Added 1 year ago 189 Views / 2 Likes

Worksheets, 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: ____________________________________
02:05
3D SHAPES SONG: Online Education Shape Songs Collection

by Admin Added 1 year ago 145 Views / 0 Likes

Get 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
01:56
Types Of Triangles Song - Online Education Songs For Kids

by Admin Added 1 year ago 128 Views / 0 Likes

Worksheets, 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
03:59
Volume Word Problems — Basic Example | Math | New SAT | Khan Academy

by Admin Added 1 year ago 88 Views / 0 Likes

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

by Admin Added 1 year ago 78 Views / 0 Likes

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

by Admin Added 1 year ago 80 Views / 0 Likes

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

by Admin Added 1 year ago 90 Views / 0 Likes

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

by Admin Added 1 year ago 89 Views / 0 Likes

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

by Admin Added 1 year ago 107 Views / 0 Likes

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

by Admin Added 1 year ago 99 Views / 0 Likes

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

by Admin Added 1 year ago 116 Views / 0 Likes

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

by Admin Added 1 year ago 88 Views / 0 Likes

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

by Admin Added 1 year ago 92 Views / 0 Likes

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

by Admin Added 1 year ago 89 Views / 0 Likes

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

by Admin Added 1 year ago 73 Views / 0 Likes

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

by Admin Added 1 year ago 91 Views / 0 Likes

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

by Admin Added 1 year ago 85 Views / 0 Likes

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

by Admin Added 1 year ago 95 Views / 0 Likes

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
02:34
Converting From Standard Form To Slope-intercept Form | Algebra I | Khan Academy

by Admin Added 1 year ago 100 Views / 0 Likes

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

by Admin Added 1 year ago 69 Views / 0 Likes

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

by Admin Added 1 year ago 73 Views / 0 Likes

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

by Admin Added 1 year ago 85 Views / 0 Likes

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

by Admin Added 1 year ago 82 Views / 0 Likes

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

by Admin Added 1 year ago 96 Views / 0 Likes

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

by Admin Added 1 year ago 91 Views / 0 Likes

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

by Admin Added 1 year ago 88 Views / 0 Likes

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

by Admin Added 1 year ago 79 Views / 0 Likes

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

by Admin Added 1 year ago 91 Views / 0 Likes

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

by Admin Added 1 year ago 101 Views / 0 Likes

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

by Admin Added 1 year ago 91 Views / 0 Likes

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

by Admin Added 1 year ago 81 Views / 0 Likes

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

by Admin Added 1 year ago 69 Views / 0 Likes

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

by Admin Added 1 year ago 80 Views / 0 Likes

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

by Admin Added 1 year ago 76 Views / 0 Likes

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

by Admin Added 1 year ago 88 Views / 0 Likes

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

by Admin Added 1 year ago 72 Views / 0 Likes

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

by Admin Added 1 year ago 67 Views / 0 Likes

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

by Admin Added 2 years ago 161 Views / 0 Likes

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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01:04
Coordinates For Triangle Example

by Admin Added 2 years ago 117 Views / 0 Likes
03:47
Example Finding Area With Fractional Sides

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Example finding area with fractional sides
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Intuition For Area With Fractional Side Lengths

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Intuition for area with fractional side lengths
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02:57
Intuition For Area Of A Parallelogram

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Intuition for area of a parallelogram
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05:30
Intuition For Area Of A Triangle

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Intuition for area of a triangle
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03:34
Finding Surface Area Using Net

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Finding surface area using net
04:44
Surface Area Of A Box Using Nets

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Surface area of a box using nets
02:25
Surface Area Of A Box

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Surface area of a box
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02:42
Drawing Polygons Exercise Example

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Drawing polygons exercise example
02:22
Coordinates Of Rectangle Example

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Coordinates of rectangle example
03:51
Dimensions Of Rectangle From Coordinates Example

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Dimensions of rectangle from coordinates example
02:41
Finding Coordinates Of Missing Vertex Example

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Finding coordinates of missing vertex example
02:08
Area Of Parallelogram On Coordinate Plane

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Area of parallelogram on coordinate plane
57:34
Topology, Geometry And Life In Three Dimensions

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

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Examples interpreting graphs of proportional relationships
05:56
Intervals When Function Is Increasing, Decreasing, Postive Or Negative

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Intervals when function is increasing, decreasing, postive or negative
06:58
Average Rate Of Change From Graph

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Average rate of change from graph
07:43
How To Trisect An Angle With Origami - Numberphile

by Admin Added 2 years ago 170 Views / 0 Likes

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

by Admin Added 2 years ago 182 Views / 0 Likes

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

by Admin Added 2 years ago 170 Views / 0 Likes

Dimensions of cube from volume
02:59
Arc Length As Fraction Of Circumference

by Admin Added 2 years ago 193 Views / 0 Likes

Arc length as fraction of circumference More free lessons at: http://www.khanacademy.org/video?v=XFI7GK4Nv-s
04:01
Introduction To Line Plots

by Admin Added 2 years ago 156 Views / 1 Likes

Introduction to line plots
07:49
Idea Behind Hypothesis Testing

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Idea behind hypothesis testing
06:57
Area Of Triangle In Grid

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Area of triangle in grid
06:27
Ellipse Focus Intuition Exercise

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Ellipse focus intuition exercise
08:46
Geometric Precision Practice

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Geometric precision practice
07:23
Ways To Cut A Cube

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Ways to cut a cube
08:45
Line And Angle Proofs Exercise

by Admin Added 2 years ago 141 Views / 0 Likes

Line and angle proofs exercise
04:53
Showing Angles Have Same Measure

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05:35
Another Example Using Compass And Straightedge For Tangent Line

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Another example using compass and straightedge for tangent line
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Constructing A Tangent Line Using Compass And Straightedge

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Constructing a tangent line using compass and straightedge
07:56
Math Antics - Circles, Circumference And Area

by Admin Added 2 years ago 349 Views / 0 Likes

Learn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
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07:58
Math Antics - Circles, What Is PI?

by Admin Added 2 years ago 273 Views / 1 Likes

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10:27 Popular
Math Antics - Area

by Admin Added 2 years ago 1,070 Views / 3 Likes

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07:29
Math Antics - Perimeter

by Admin Added 2 years ago 214 Views / 0 Likes

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09:50
Math Antics - Quadrilaterals

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07:40
Math Antics - Triangles

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07:27
Math Antics - Polygons

by Admin Added 2 years ago 206 Views / 1 Likes

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09:17
Math Antics - Angles&Degrees

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07:46
Math Antics - Angle Basics

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07:54
Math Antics - Points, Lines,&Planes

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08:50
Visual Pythagorean Theorem Proof

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Visual Pythagorean Theorem Proof - some basic geometry required
06:41
Midpoint Formula

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Midpoint Formula More free lessons at: http://www.khanacademy.org/video?v=Ez_-RwV9WVo
13:03
Pythagorean Theorem

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Pythagorean Theorem More free lessons at: http://www.khanacademy.org/video?v=AEIzy1kNRqo
03:00
Pythagorean Theorem 3

by Admin Added 2 years ago 138 Views / 0 Likes

U07_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
04:17
Pythagorean Theorem 2

by Admin Added 2 years ago 151 Views / 0 Likes

U07_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
04:32
Pythagorean Theorem 1

by Admin Added 2 years ago 157 Views / 0 Likes

U07_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
03:29
Perpendicular Lines

by Admin Added 2 years ago 155 Views / 0 Likes

U04_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
02:43
Parallel lines 3

by Admin Added 2 years ago 124 Views / 0 Likes

U04_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
03:03
Parallel Lines 2

by Admin Added 2 years ago 122 Views / 0 Likes

U04_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
03:49
Parallel Lines

by Admin Added 2 years ago 148 Views / 0 Likes

U04_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
07:57
Point-slope and standard form

by Admin Added 2 years ago 132 Views / 0 Likes

U04_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
05:07
Converting to slope-intercept form

by Admin Added 2 years ago 144 Views / 0 Likes

U04_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
03:02
Graphing a line in slope intercept form

by Admin Added 2 years ago 137 Views / 0 Likes

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

by Admin Added 2 years ago 142 Views / 0 Likes

U04_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
04:08
X and Y intercepts

by Admin Added 2 years ago 136 Views / 0 Likes

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

by Admin Added 2 years ago 133 Views / 0 Likes

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

by Admin Added 2 years ago 132 Views / 0 Likes

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

by Admin Added 2 years ago 145 Views / 0 Likes

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

by Admin Added 2 years ago 202 Views / 0 Likes

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

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u07_l2_t2_we2 Area of a Trapezoid
01:20
Perimeter of a Polygon

by Admin Added 2 years ago 131 Views / 0 Likes

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

by Admin Added 2 years ago 153 Views / 0 Likes

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

by Admin Added 2 years ago 141 Views / 0 Likes

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

by Admin Added 2 years ago 288 Views / 0 Likes

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

by Admin Added 2 years ago 152 Views / 0 Likes

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

by Admin Added 2 years ago 117 Views / 0 Likes

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

by Admin Added 2 years ago 135 Views / 0 Likes

u07_l3_t1_we3 Volume of a Composite Shape
03:27
Identifying Geometric Solids

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u07_l3_t1_we1 Identifying Geometric Solids
06:12
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

by Admin Added 2 years ago 148 Views / 0 Likes

u07_l2_t3_we3 Area of a Circle
03:09
Circumference of a Circle

by Admin Added 2 years ago 182 Views / 0 Likes

u07_l2_t3_we2 Circumference of a Circle
02:01
Parts of a Circle

by Admin Added 2 years ago 157 Views / 0 Likes

u07_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
05:07
Quadrilateral Properties

by Admin Added 2 years ago 152 Views / 0 Likes

u07_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
02:55
Pythagorean Theorem Application

by Admin Added 2 years ago 145 Views / 0 Likes

u07_l1_t4_we2 Pythagorean Theorem Application
01:37
Using the Pythagorean Theorem

by Admin Added 2 years ago 137 Views / 0 Likes

u07_l1_t4_we1 Using the Pythagorean Theorem
05:34
Application of Similar Triangles

by Admin Added 2 years ago 165 Views / 0 Likes

u07_l1_t3_we5 Application of Similar Triangles Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
03:23
Missing Measurements for Similar Triangles

by Admin Added 2 years ago 134 Views / 0 Likes

u07_l1_t3_we4 Missing Measurements for Similar Triangles
03:07
Similar Triangles Corresponding Sides and Angles

by Admin Added 2 years ago 162 Views / 0 Likes

u07_l1_t3_we3 Similar Triangles Corresponding Sides and Angles
03:53
Congruent and Similar Triangles

by Admin Added 2 years ago 166 Views / 0 Likes

u07_l1_t3_we2 Congruent and Similar Triangles Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
14:45
Distance Between Planes

by Admin Added 2 years ago 148 Views / 0 Likes

2010 IIT JEE Paper 1 Problem 51 Distance Between Planes More free lessons at: http://www.khanacademy.org/video?v=v8plb6V8BQo
12:12
Point distance to plane

by Admin Added 2 years ago 141 Views / 0 Likes

Distance between a point and a plane in three dimensions More free lessons at: http://www.khanacademy.org/video?v=7rIFO8hct9g
09:58
Normal vector from plane equation

by Admin Added 2 years ago 147 Views / 0 Likes

Figuring out a normal vector to a plane from its equation More free lessons at: http://www.khanacademy.org/video?v=gw-4wltP5tY
12:17
IIT JEE Circle Hyperbola Common Tangent Part 5

by Admin Added 2 years ago 245 Views / 0 Likes

2010 IIT JEE Paper 1 Problem 45 Circle Hyperbola Common Tangent Part 5 More free lessons at: http://www.khanacademy.org/video?v=rPoqpQcgNv4
10:36
IIT JEE Circle Hyperbola Common Tangent Part 4

by Admin Added 2 years ago 181 Views / 0 Likes

2010 IIT JEE Paper 1 Problem 45 Circle Hyperbola Common Tangent Part 4 More free lessons at: http://www.khanacademy.org/video?v=eGo8C2Jshzs
08:55
IIT JEE Circle Hyperbola Common Tangent Part 3

by Admin Added 2 years ago 178 Views / 0 Likes

2010 IIT JEE Paper 1 Problem 45 Circle Hyperbola Common Tangent Part 3 More free lessons at: http://www.khanacademy.org/video?v=RomnHMWSLoE
10:45
IIT JEE Circle Hyperbola Common Tangent Part 2

by Admin Added 2 years ago 212 Views / 0 Likes

2010 IIT JEE Paper 1 Problem 45 Circle Hyperbola Common Tangent Part 2 More free lessons at: http://www.khanacademy.org/video?v=0imeUgSxR10
06:16
IIT JEE Circle Hyperbola Common Tangent Part 1

by Admin Added 2 years ago 182 Views / 0 Likes

2010 IIT JEE Paper 1 Problem 45 Circle Hyperbola Common Tan More free lessons at: http://www.khanacademy.org/video?v=MhLfun2Vask
12:44
IIT JEE Circle Hyperbola Intersection

by Admin Added 2 years ago 183 Views / 0 Likes

2010 IIT JEE Paper 1 Problem 46 Circle Hyperbola Intersection More free lessons at: http://www.khanacademy.org/video?v=6g3DPg2HqGw
08:05
IIT JEE Perpendicular Plane (part 2)

by Admin Added 2 years ago 137 Views / 0 Likes

2010 IIT JEE Paper 1 #30 normal vector and planes (Part 2) More free lessons at: http://www.khanacademy.org/video?v=66pQLO--Ghk
10:26
IIT JEE Perpendicular Planes (Part 1)

by Admin Added 2 years ago 167 Views / 0 Likes

2010 IIT JEE Paper 1 #30 normal vector and planes (Part 1) More free lessons at: http://www.khanacademy.org/video?v=2u535-HVJ_o
18:18
2003 AIME II Problem 14

by Admin Added 2 years ago 153 Views / 0 Likes

Trigonometry 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
16:36
2003 AIME II Problem 11.avi

by Admin Added 2 years ago 127 Views / 0 Likes

A little trigonometry to figure out the area of a triangle More free lessons at: http://www.khanacademy.org/video?v=smtrrefmC40
16:13
2003 AIME II Problem 13

by Admin Added 2 years ago 132 Views / 0 Likes

Probability of moving to a vertex More free lessons at: http://www.khanacademy.org/video?v=vKMNRcctwL4
09:06
Area Circumradius Formula Proof

by Admin Added 2 years ago 148 Views / 0 Likes

Proof of the formula relating the area of a triangle to its circumradius More free lessons at: http://www.khanacademy.org/video?v=x_aax6LSRtE
17:42
2003 AIME II Problem 6

by Admin Added 2 years ago 147 Views / 0 Likes

Finding area of a skewed star More free lessons at: http://www.khanacademy.org/video?v=l9j26EOvTYc
02:27
2003 AIME II Problem 5 Minor Correction

by Admin Added 2 years ago 152 Views / 0 Likes

2003 AIME II Problem 5 Minor Correction More free lessons at: http://www.khanacademy.org/video?v=yXg5CYuCcU4
08:14
2003 AIME II Problem 5

by Admin Added 2 years ago 140 Views / 0 Likes

Volume of a wedge cut from a cylindrical log More free lessons at: http://www.khanacademy.org/video?v=EzE53aPGbrQ
14:15
2003 AIME II Problem 4 (part 1)

by Admin Added 2 years ago 130 Views / 0 Likes

2003 AIME II Problem 4 (part 1) More free lessons at: http://www.khanacademy.org/video?v=gXnHodHNusg
02:21
u08_l1_t2_we2 Reading Line Graphs

by Admin Added 2 years ago 135 Views / 0 Likes

u08_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
03:09
Reading Pie Graphs (Circle Graphs)

by Admin Added 2 years ago 123 Views / 0 Likes

u08_l1_t2_we1 Reading Pie Graphs (Circle Graphs) More free lessons at: http://www.khanacademy.org/video?v=4JqH55rLGKY Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
02:59
Reading Bar Graphs

by Admin Added 2 years ago 147 Views / 0 Likes

u08_l1_t1_we2 Reading Bar Graphs More free lessons at: http://www.khanacademy.org/video?v=kiQ6MUQZHSs Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
02:21
Reading Pictographs

by Admin Added 2 years ago 136 Views / 0 Likes

u08_l1_t1_we1 Reading Pictographs More free lessons at: http://www.khanacademy.org/video?v=qrVvpYt3Vl0 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
16:22
Tau versus Pi

by Admin Added 2 years ago 128 Views / 0 Likes

Why Tau might be a better number to look at than Pi More free lessons at: http://www.khanacademy.org/video?v=1jDDfkKKgmc
09:56
Challenging Perimeter Problem

by Admin Added 2 years ago 134 Views / 0 Likes

Perimeter of rectangle covered by 9 non-overlapping squares. From 200) American Invitational Math Exam More free lessons at: http://www.khanacademy.org/video?v=1uWZNW5PF-s
09:23
Proof by Induction

by Admin Added 2 years ago 134 Views / 0 Likes

Proving an expression for the sum of all positive integers up to and including n by induction More free lessons at: http://www.khanacademy.org/video?v=wblW_M_HVQ8
14:42
The Golden Ratio

by Admin Added 2 years ago 145 Views / 1 Likes

An introduction to one of the most amazing ideas/numbers in mathematics More free lessons at: http://www.khanacademy.org/video?v=5zosU6XTgSY