The Product of the Perpendiculars to the Sides of a Triangle
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The tangential triangle of a triangle ABC is the triangle (A'B'C' in the figure) formed by the tangents to the circumcircle of ABC at A, B, and C.
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Contributed by: Jay Warendorff (March 2011)
Open content licensed under CC BY-NC-SA
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See Problem 4 in N. Altshiller-Court, College Geometry, Mineola, NY: Dover, 2007 p. 65.
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