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7922

The Gergonne Point

Let ABC be a triangle. Let A', B', and C' be the points of contact of ABC with the incircle opposite A, B, and C, respectively. Then AA', BB', and CC' are concurrent at the Gergonne point.

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"The Gergonne Point" from the Wolfram Demonstrations Project
 http://demonstrations.wolfram.com/TheGergonnePoint/
Contributed by: Jay Warendorff




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