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A First Morley Triangle Concurrence
In a triangle, join the points of intersection of successive angle trisectors to get three points (Morley's first triangle). Join the vertices to those three points along the trisectors to form six triangles. The lines joining the opposite incenters of those triangles are concurrent.



A. Bogomolny, "Circles in Morley's Triangles," Interactive Mathematics Miscellany and Puzzles.


"A First Morley Triangle Concurrence" from The Wolfram Demonstrations Project
 http://demonstrations.wolfram.com/AFirstMorleyTriangleConcurrence/
Contributed by: Jay Warendorff
After work by: Alexander Bogomolny
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