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Solve for in each diagram below. Show your work. Homework Help ✎

Review the Math Notes box in Lesson 8.2.2 for help determining the sum of the interior angles of a polygon.

  1. Generic Triangle

  1. Diagram 130UL 102BL 46UR

  1. Diagram 8x-16°

    ... = ?

  1. Diagram arrows 123T 113L 97B

    How are and the missing angle in the polygon related?