### Home > GC > Chapter Ch3 > Lesson 3.2.3 > Problem 3-70

3-70.

Use the relationships in each diagram below to solve for **Justify** your solution by stating which geometry relationships you used. Homework Help ✎

Parallel lines create equal angles. Which angles in the figure are equal?

Think of the angle measure of a circle. How can you use that measure to solve for ?

Use the Pythagorean Theorem. Remember to justify all your work with the relationships you used!