### Home > CCG > Chapter 10 > Lesson 10.1.2 > Problem 10-22

10-22.

*ABCDE* is a regular pentagon inscribed in

Draw a diagram of

and

Find

. How did you find your answer?

sum of interior angles

sum of interior angles

Find

. What relationship did you use?

Find

. Is there more than one way to do this?

How is the inscribed angle related to the intercepted arc?