An Impossible Proof

I like proofs that claim to prove obviously false statements. They are the best puzzles.
This delightful series of operations demonstrates that all triangles are equilateral. Have fun finding the flaw!
This entry was posted on Thursday, March 26th, 2009 at 10:00 pm and is filed under math. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.
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