Friday, December 5, 2008

Morley's Theorem

Introduction with animation. Triangle + Trisectors = Equilateral triangle.
Frank Morley was a member of Haverford College's Department of Mathematics in the early part of the twentieth century. He is credited with being the first to arrive at the celebrated Morley's trisector theorem:
"The three points of intersection of the adjacent angle trisectors of any triangle form an equilateral triangle."

Morley's Theorem.
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