### Home > CCG > Chapter 9 > Lesson 9.2.4 > Problem9-105

9-105.

Without using a calculator, find the sum of the interior angles of a $1002$-gon. Show all work. Homework Help ✎

Look at the Math Notes box in Lesson 8.1.5 for extra help.

Let $n$ = number of sides, $(n−2)180° = 1000 · 180° = 180,000°$