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Home > GC > Chapter 3 > Lesson 3.1.2 > Problem 3-20


Examine the relationships in the diagram below. Then solve for and , if possible. Justify your work using angle relationships. Homework Help ✎

and are supplementary angles, and and are corresponding angles.

See the homework help for problem 2-55 in Lesson 2.1.5 if you need further help solving for and .