Garfield's proof of the Pythagorean theoremBhaskara's proof of the Pythagorean theoremPythagorean theorem proof using similarityAnother Pythagorean theorem proof
About this unit
The Pythagorean theorem describes a special relationship between the sides of a right triangle. Even the ancients knew of this relationship. In this topic, we’ll figure out how to use the Pythagorean theorem and prove why it works.