That moment when a student realizes that Pythagoras was correct and a squared plus b squared really does equal c squared. Seventh graders have spent the last few days learning a bit about Pythagoras and playing with his famous equation. We found the length of the hypotenuse by calculating the area of triangles and squares and we even cut up perfect squares created off the legs of the triangle and …mind blowing….they fit perfectly into the square of the hypotenuse!