# Pythagorean Theorem

### By Kelsey Barb Robert Scott

## Pythagoras' Theorem

In mathematics, the In mathematics, the

**Pythagorean theorem**, also known as**Pythagoras**'**theorem**, is a fundamental relation in Euclidean geometry among the three sides of a right triangle. It states that the square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides., also known as**Pythagoras**'**theorem**, is a fundamental relation in Euclidean geometry among the three sides of a right triangle. It states that the square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides.## how does PythagoreanTheorem work?

The Pythagorean theorem intro | Right triangles and trigonometry | Geometry | Khan Academy