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A Concurrency from a Point and a Triangle's Excenters


	Let ABC be a triangle and P a point. Let A', B', and C' be the excenters opposite A, B, and C, respectively. Let PA', PB', and PC' intersect BC, AC, and AB at A'', B'', and C'', respectively. Then AA'', BB'', and CC'' are concurrent.


	Contributed by: Jay Warendorff

See A Note on the Schiffler Point.

Concurrent (Wolfram MathWorld)

Excenter (Wolfram MathWorld)

Schiffler Point (Wolfram MathWorld)

"A Concurrency from a Point and a Triangle's Excenters" from The Wolfram Demonstrations Project
http://demonstrations.wolfram.com/AConcurrencyFromAPointAndATrianglesExcenters/

Contributed by: Jay Warendorff

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