Proof 3: The Pythagorean Theorem

Ahahah, you thought you could avoid the theorem of the gods? Think again, mortal.

Statement

In a right-angled triangle, the square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides.

Proof

1. Proof 1: The First Way
   (A more straightforward approach)
2. Proof 2: The Fancy Schmancy Way
   (For those who enjoy a good ol' fashioned diagram)
3. Proof 3: The Brutal Truth