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#### DESCRIPTION:

Proving the Triangle Sum Theorem

#### OVERVIEW:

Proving the Triangle Sum Theorem is a free educational video by Mathispower4u.It helps students in grades HS practice the following standards HSG.CO.C.10.

This page not only allows students and teachers view Proving the Triangle Sum Theorem but also find engaging Sample Questions, Apps, Pins, Worksheets, Books related to the following topics.

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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..

GRADES:

**HS**

STANDARDS:

**HSG.CO.C.10**