A picture 'proof' of the Pythagorean Theorem. (Doesn't work in the general case.) Makes a nice puzzle, though!
Shared at Alexander Bogomolny's Cut the Knot:
[url]http://www.cut-the-knot.org/pythagoras/Proof99Solution.shtml[/url]
- 適合年齡
- 11 – 14
- 語言
- English (United States)
