Proving that a point is the midpoint via triangle congruency. All Khan Academy content is available for free at www.khanacademy.org
Congruent Triangle Proof Example is a free educational video by Khan Academy.It helps students in grades 9,10,11,12 practice the following standards HSG.CO.C.10.
1. HSG.CO.C.10 : Prove theorems about triangles. Theorems include: measures of interior angles of a triangle sum to 180°; base angles of isosceles triangles are congruent; the segment joining midpoints of two sides of a triangle is parallel to the third side and half the length; the medians of a triangle meet at a point..
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