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Home > CCG > Chapter 2 > Lesson 2.1.5 > Problem 2-55

2-55.

Solve for in the diagram below. Homework Help ✎

What is the relationship between angles and ?

The angle is congruent to angle .

Since angles and are corresponding angles on two parallel lines intersected by a transversal, they are also congruent.

The same rule applies to angle and the angle valued , so they are also congruent.

Since , and , what can we conclude? Use your conclusion to solve for .