### Home > GC > Chapter 9 > Lesson 9.2.4 > Problem 9-91

9-91.

Without using a calculator, find the sum of the interior angles of a

The sum of the measures of the interior angles of an

Let = number of sides,

9-91.

Without using a calculator, find the sum of the interior angles of a

The sum of the measures of the interior angles of an

Let = number of sides,