Among these theories, the proof of the Pythagorean theorem is particularly fascinating ... "Draw a square around them, halve one rectangle side, rotate it all around, and you get three, four ...

However, this in turn means that they were familiar with the Pythagorean Theorem – or, at the very least, with its special ...

The width and height of the rectangle become \(a\) and \(b\) in the formula and \(c\) is the diagonal length. Taking the triangle DEG, Pythagoras’ theorem can be used to calculate the length of EG.