Proving Angle Relationships in Triangles
By LearnZillion MathFrom boclips.com
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Learn how to find the measure of angle A in a triangle when angle B is given as 40 degrees. This lesson covers the concepts of congruent angles, parallel lines, and side-angle-side congruence. Watch a demonstration of how to prove the angle relationships within a triangle using two-column proofs and provides examples to reinforce the concepts.
Tags
Tutorial
Mathematics
Geometry
Upper Primary
Lower Primary
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