An athletic facility is building an indoor track. The track is composed of a rectangle and two semi circles.

a. Write a formula for the perimeter of the indoor track. Then solve the formula for x.

b. The perimeter of the track is 660 feet, and r is 50 feet. Find x. Round your answer to the nearest foot.​

An athletic facility is building an indoor track The track is composed of a rectangle and two semi circlesa Write a formula for the perimeter of the indoor trac class=