Contact Triangle
The Triangle formed by the points of intersection of a Triangle 
's Incircle with . This is thePedal Triangle of with the Incenter as the Pedal Point (c.f., Tangential Triangle). Thecontact triangle and Tangential Triangle are perspective from the Gergonne Point.
References
Oldknow, A. ``The Euler-Gergonne-Soddy Triangle of a Triangle.'' Amer. Math. Monthly 103, 319-329, 1996.
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