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Geometry worksheet focusing on the Exterior Angle Theorem and Triangle Sum Theorem, with problems requiring students to find missing angle measures and solve for variables.

Worksheet with geometry problems involving the Exterior Angle Theorem and Triangle Sum Theorem, featuring diagrams of triangles with labeled angles and variables to solve.

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Show Answer Key & Explanations Step-by-step solution for: Lesson 1 - Interior and Exterior Angle Sum Theorem - ©C h2J0s 1z3n ...

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1) D = 94°
2) m = 124°
3) U = 54°
4) S = 60°
5) B = 54°
6) 150 - 54 = 110°
7) x = 9
8) x = 4
9) x = 7
10) x = 12

Parent Tip: Review the logic above to help your child master the concept of triangle sum theorem worksheet answers.

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