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


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

  1. How many sides does the polygon have?

    Remember that the sum of all exterior angles is equal to .

  2. 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.