Keywords: Aa garfield pythag.gif Aa garfield pythag svg File history of Aa_garfield_pythag gif at en wikipedia 20 04 March 2 2009 300×300 2 KB Anthony Appleyard talk contribs <nowiki> Diagram for Garfield's proof of Pythagoras's theorem I created this work entirely by myself 2 March 2008 ~~~ </nowiki> 30-60-90 triangles Triangle geometry Theorems |