Pythagoras Animation in Etoys
14 March, 2013
From Bert:
I like a slightly different proof even better, because it doesn’t need to rotate the shapes:
Powerful Ideas
14 March, 2013
Casey mentioned:
Speaking of Pythagoras, Alan Kay demos a visual proof for the theorem that’s super easy for just about anyone to understand right away using Etoys in his TED talk, which is worth a look:
The Weekly Squeak 