Bisectors of the Angles of the Orthic Triangle

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The altitudes of an acute triangle bisect the internal angles of the orthic triangle.

Contributed by: Jay Warendorff (March 2011)
Open content licensed under CC BY-NC-SA


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See theorem 192 in N. Altshiller-Court, College Geometry, Mineola, NY: Dover, 2007 p. 98.



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