Geometry 5.3b, Altitude of a Triangle & finding the Orthocenter

First published at 15:52 UTC on September 20th, 2018.

An explanation of an altitude of a triangle as a perpendicular segment from a Vertex to the line containing the opposite side; how every triangle has three altitudes; how an altitude can be inside, outside, or on the triangle; how lines containing t…

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CategoryEducation
SensitivityNormal - Content that is suitable for ages 16 and over
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