A lesson explaining a.) why the sum of the measures of a triangle equals 180 degrees b.) the relationship between exterior angles and remote interior angles of a triangle and c.) the midline theorem
7.1 Triangle Application Theorems (Lesson) is a free educational video by AutenMath.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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