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Home > CC3 > Chapter 9 > Lesson 9.2.3 > Problem 9-96

9-96.

For each diagram below, solve for . Explain what method you used for each problem. Homework Help ✎

  1. diagram (a)

    The two angles are complementary, meaning they have a sum of .

  1. diagram (b)

    The two angles are supplementary (have a sum of ).

  1. diagram (c)

    According to the Angle Sum Theorem, the sum of the interior angles of a triangle is .

  1. diagram (d)

    How did you solve part (c)? Use the same method.