Pythagorean Theorem and its many proofs

'An exceedingly well-informed report,' said the General. 'You have given yourself the trouble to go into matters thoroughly, I see. That is one of the secrets of success in life.' Anthony Powell The Kindly Ones, p. 51 2nd Movement in A Dance to the Music of Time University of Chicago Press, 1995 Professor R. Smullyan in his book 5000 B.C. and Other Philosophical Fantasies tells of an experiment he

[kk_clubm]

ピタゴラスの定理の証明 98パターン。

[Phinloda]

ピタゴラスの定理の証明が約100種類紹介されている

[AYNIK]

ピタゴラスの定理(三平方の定理)を無数の方法で証明している