Concurrence of Medians, Altitudes and Angle Bisectors of a Triangle
Mar. 7, 2009
Describes in great detail the concepts of Median, Altitude, Angle Bisector, and Perpendicular Bisector of a triangle, and dicusses their concurrence at the Centroid, Orthocenter, Incenter, and Circumcenter. Also gives an overview of their placement on the Euler Line.