### Home > CCG > Chapter 8 > Lesson 8.3.2 > Problem 8-107

8-107.

An exterior angle of a regular polygon measures 18°.** **Homework Help ✎

How many sides does the polygon have?

Remember that the sum of all exterior angles is equal to

. If the length of a side of the polygon is

units, what is the area of the polygon? Refer to the Math Notes box in Lesson 8.3.1, which gives a step-by-step example illustrating how to solve this type of problem.