Teacher2Teacher 
Q&A #6466 
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From: Francisco Gutierrez To: Teacher2Teacher Public Discussion Date: 2010102211:09:59 Subject: Re: Importance of Orthocenter Has it ever occurred to you why we need to learn the orthocenter? Do you even know what an orthocenter is? Well in this paragraph I am going to answer your question. An orthocenter is the point where the three altitudes meet of a triangle, according to dictionary.com. This point can be either inside, outside, or even on the triangle itself. After doing some research online, I can tell you that the orthocenter is one of the more important points on a triangle of the four major centers. Euler was a mathematician who stated that the circumcenter, the orthocenter, centroid, and the center of the nine point circle are colinear, unless the triangle is equilateral, according to Scieceray. The orthocenter will be outside the triangle if one of the angles is over 90 degrees.
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