# The converse of the Pythagorean theorem and special triangles

## By MathPlanetVideos

Find the value of x in the right triangle.

# Pythagorean theorem 3 | Right triangles and trigonometry | Geometry | Khan Academy

This three-minute video is from Sal Khan about using the Pythagorean Theorem to solve a word problem: A carpet measures 7 feet long and has a diagonal measurement of square root of 74 feet. Find the width of the carpet Mr. Khan uses computer software for demonstration. The screen is a little 'busy' so the viewer may want to open the screen to 'full screen' to see all more clearly.

# Proof of Pythagorean Theorem using similar triangles

## By Matt Stryker

Proof of Pythagorean Theorem using similar triangles

# Volume of Rectangular Prisms: Length Width and Height

## By Have Fun Teaching

The Volume Song and movie teaches students how to find the volume of a solid figure. Learn how to solve and find the volume of a 3D rectangular prism shape using length times width times height.

# Another Pythagorean theorem proof | Right triangles and trigonometry | Geometry | Khan Academy

Khan Academy presents Another Pythagorean Theorem Proof, an educational video resource on math.

# Pythagorean theorem 1 | Right triangles and trigonometry | Geometry | Khan Academy

This is a Khan Academy video about solving a word problem involving the need to find the length of a rope that attaches a mast of a boat with the deck of the boat.