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Home > CCG > Chapter 12 > Lesson 12.1.2 > Problem 12-26

12-26.

For each relationship below, write and solve an equation for . Justify your method. Homework Help ✎

  1. diagram a

    How are these angles related?



  1. diagram b

    What is the sum of the angles in a quadrilateral?

  1. diagram c

    How are these angles related?