The Distance to the Orthocenter

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In a triangle, twice the distance from the circumcenter O to a side equals the distance from the orthocenter H to the vertex opposite that side.

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


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See theorem 195 in N. Altshiller-Court, College Geometry, Mineola, NY: Dover, 2007 p. 99.



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