Teaching Resource
Angle Sum of a Triangle Poster
A poster outlining the angle sum of a triangle.
Common Core Curriculum alignment
- CCSS.MATH.CONTENT.8.G.A.5
Use informal arguments to establish facts about the angle sum and exterior angle of triangles, about the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles. For example, arrange thre...
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