The Sum of the Distances from the Orthocenter to the Vertices
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The intersection of the altitudes of a triangle is called the orthocenter.
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Contributed by: Jay Warendorff (March 2011)
Open content licensed under CC BY-NC-SA
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"The Sum of the Distances from the Orthocenter to the Vertices"
http://demonstrations.wolfram.com/TheSumOfTheDistancesFromTheOrthocenterToTheVertices/
Wolfram Demonstrations Project
Published: March 7 2011