Alex M Thomas (guest) meinte am 18. Oct, 09:33:
Visuals
Great proofs!Thinking out of boxed mathematics! :)
Jane (guest) antwortete am 19. Oct, 15:31:
There is a book full of things like this, including several pictorial proofs of the Pythagorean Theorem. It is called "Proofs without Words" and I recommend it.
