Incenter, Circumcenter, Centroid, Orthocenter: Journey to the Center of a Triangle.

By Michael Bates on December 17, 2011 3:39 PM | Permalink | TrackBacks (0)

GoGeometry: Incenter, Circumcenter, Centroid, Orthocenter: Journey to the Center of a Triangle.

A 1977 instructional film illustrating how the different centers of a triangle are constructed.

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