A worksheet to consolidate your students’ understanding of the angle sum of a triangle.
Use this worksheet when learning about the angle sum of triangles.
An answer sheet has been provided.
Use in conjunction with
Common Core Curriculum alignment
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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