Lines & Angle Measurements

This eight page activity has notes and activities on lines (parallel, perpendicular, skew); angles (complementary, supplementary, acute, obtuse, right, straight); transversals (including vertical, adjacent, corresponding, alternate interior, alternate exterior); triangles (named by sides and angles); and, the sum of triangles theorem (including ratio of triangles).

Students will find the missing angle measurements for lines and triangles, including working with variables and decimals, identify triangles based on sides and angles, and complete a cut-and-paste activity combining all skills. This activity would be appropriate for both students learning the material for the first time or for an independent review.

Check out more Geometry resources:

Classify Angles & Triangles Activities

2D Area & Perimeter Review

Cross Sections of 3D Figures

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