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Texas Essential Knowledge and Skills (TEKS)

Angles & Triangles

Grade: 8th Grade
Standard:

8.8.D

Description:

use informal arguments to establish facts about the angle sum and exterior angle of triangles, the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles.

8th Grade Math - Angles & Triangles Lesson
 
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