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Forum URL: http://www.cut-the-knot.org/cgi-bin/dcforum/forumctk.cgi
Forum Name: This and that
Topic ID: 972
Message ID: 0
#0, Parallelogram Proof of the PT
Posted by jmolokach on Dec-22-10 at 04:35 PM
I seem to be obsessed with these... here is another...

https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0BygZeXnaKTslYjNjZTQ0MTAtMDhhOS00NjIyLWEyYTItY2ZmYWFiMmFkZWE0&hl=en