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Home > CCG > Chapter 9 > Lesson 9.1.2 > Problem 9-22

9-22.

Review what you know about the angles of polygons below. Homework Help ✎

  1. If the exterior angle of a polygon is , what is the interior angle?

    What is the relationship between the interior and exterior angles of a polygon?

  2. If the interior angle of a polygon is , can it be a regular polygon? Why or why not?

    Refer to the Math Notes box in Lesson 8.1.4.

  3. Find the sum of the interior angles of a regular -gon.

    To calculate the interior angles of a polygon use .
    Sum of angles in a -gon = .