Summer won 40 super bouncy balls playing Skee Ball at her school’s fall festival. Later, she gave 3 to each of her friends.
She only has 7 remaining. How many friends does she have?

Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.