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The Nagel Point


	A circle drawn outside a triangle that is tangent to the extensions of two of its sides and to the third side is an excircle. The lines connecting the vertices of a triangle with the corresponding points of tangency of the three excircles are concurrent. The intersection is called the Nagel point.


	Contributed by: Jay Warendorff

Nagel Point (Wolfram MathWorld)

"The Nagel Point" from The Wolfram Demonstrations Project
http://demonstrations.wolfram.com/TheNagelPoint/

Contributed by: Jay Warendorff

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