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May 27, 2015

Homework Help: pre-calculus

Posted by natalin on Tuesday, August 18, 2009 at 8:15pm.

triangle KLM has vertices K(0,0), L(18,0), and M(6,12).
a. Write equations for the altitudes to the three sides of the triangle.

b. Show that the altitudes intersect at a single point O, called the orthocenter of the triangle.

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