Khan Academy
Khan Academy: Triangles: Median Centroid Right Triangle Example
This video demonstrates how to find various measures of triangles formed by the medians of a right triangle.
Khan Academy
Khan Academy: More Trig Examples: 2003 Aime Ii Problem 11
Video demonstrates solving a trigonometric problem that includes finding the area of an oblique triangle using the Pythagorean Theorem and the law of cosines.
Khan Academy
Khan Academy: Triangles: Pythagorean Theorem 3
This video demonstrates how to solve the width of a rectangular carpet given the length and the diagonal of the rectangle by using the Pythagorean theorem.
Khan Academy
Khan Academy: Vi Hart: Origami Proof of the Pythagorean Theorem
Video demonstrating how to prove the Pythagorean theorem by folding squares of paper. [3:14]
Khan Academy
Khan Academy: Other Cool Stuff: Origami Proof of the Pythagorean Theorem
Video demonstrating how to prove the Pythagorean theorem by folding squares of paper.
Khan Academy
Khan Academy: Triangles: Pythagorean Theorem Proof Using Similarity
This video shows a proof for the Pythagorean Theorem by breaking a right triangle into two similar triangles and setting up ratios of corresponding sides.
Khan Academy
Khan Academy: Triangles: Pythagorean Theorem Ii
More Pythagorean Theorem examples. Introduction to 45-45-90 triangles.
National Science Foundation
National Science Foundation: Science of Nfl Football: The Pythagorean Theorem
Explains how the Pythagorean Theorem can be used to analyze the movements of football players when a defender tackles a ball carrier. [3:44]
Loyola University Chicago
Math Flix: Pythagorean Theorem Equation Practice
This QuickTime movie provides an excellent opportunity to apply the Pythagorean Theorem to several right triangles. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Loyola University Chicago
Math Flix: Pythagorean Theorem Puzzle
This QuickTime movie uses a tangram-like puzzle to help understand the Pythagorean Theorem. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Study Pug
Study Pug: Pythagorean Theorem
In a nutshell, Pythagorean Theorem describes the relationship between the lengths and sides of a right triangle. Watch this video for a detailed explanation along with various examples. [8:48]
PatrickJMT
Patrick Jmt: Pythagorean Theorem
Video tutorial defines the Pythagorean theorem and features a few problems using it. [9:04]
PatrickJMT
Patrick Jmt: The Distance Formula
In this video, how the distance formula comes from the Pythagorean Theorem is shown along with a simple example of finding the distance between two points. [5:44]
Khan Academy
Khan Academy: Finding Distance With Pythagorean Theorem
Sal finds the distance between two points with the Pythagorean theorem.
Khan Academy
Khan Academy: Another Pythagorean Theorem Proof
Visually proving the Pythagorean Theorem.
Khan Academy
Khan Academy: Ca Geometry: Pythagorean Theorem, Compass Constructions
51-55, Pythagorean Theorem, compass constructions.
Khan Academy
Khan Academy: Ca Geometry: Pythagorean Theorem, Area
36-40, Pythagorean Theorem and area.
Khan Academy
Khan Academy: Ca Geometry: Area, Pythagorean Theorem
26-30, area, circumference, pythagorean theorem.
Khan Academy
Khan Academy: Pythagorean Theorem Ii
More Pythagorean Theorem examples. Introduction to 45-45-90 triangles.
Khan Academy
Khan Academy: Introduction to the Pythagorean Theorem
Right triangles and the Pythagorean Theorem.
Sophia Learning
Sophia: Finding the Missing Angle of Right Triangle: Lesson 2
Following this lesson, the angle measure of one non-right angle of a right triangle, and the right angle symbol in the right angle of the triangle, you'll be able to determine the value of the missing angle. It is 2 of 9 in the series...
Sophia Learning
Sophia: Finding the Missing Angle of Right Triangle: Lesson 6
Following this lesson, the angle measure of one non-right angle of a right triangle, and the right angle symbol in the right angle of the triangle, you'll be able to determine the value of the missing angle. It is 6 of 9 in the series...
Sophia Learning
Sophia: Finding the Missing Side of a 45 45 90 Triangle: Lesson 2
In this lesson, you'll learn how to use the lengths of two sides of a triangle and the ratio of the side lengths to find the length of the missing side. It is 2 of 9 in the series titled "Finding the Missing Side of a 45-45-90 Triangle."
Sophia Learning
Sophia: Finding the Missing Side of a 45 45 90 Triangle: Lesson 3
In this lesson, you'll learn how to use the lengths of two sides of a triangle and the ratio of the side lengths to find the length of the missing side. It is 3 of 9 in the series titled "Finding the Missing Side of a 45-45-90 Triangle."