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The Butterfly Theorem








 
The Butterfly Theorem
According to Coxeter and Greitzer, one of the solutions to the Butterfly theorem was submitted in 1815 by W. G. Horner of Horner's method fame.

Authored by placeholder at , Added: 18 Feb 2006



http://www.cut-the-knot.org/pythagoras/Butterfly.shtml

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