Forum Thread: How to Find the Vertex Angle of an Isosceles Triangle

The vertex angle of an isosceles triangle is the non congruent angle and is opposite the base
The video describes the vertex angle and works two sample problems
What are the measure of the base angles given a vertex angle of 110 degrees?
What is the measure of the vertex angle given a base angle of 70 degrees?

Isosceles Triangle-6th Grade Math

Isosceles Triangle-6th Grade Math Isosceles Triangles have two congruent angles and sides. CCSS 6.GA.1-6th Grade Math-Includes perimeter and area formulas.

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