Question

The Roberts Family is getting an inground circular pool with a radius of nine feet. The company needs to dig out an extra three feet all the way around the pool to have room for plumbing. What is the area of the grass that will be removed?

I need help with this quick

Answer 1

• 63π or 197.92 ft²

Explanation:

The required area is between 9+3 = 12 feet and 9 feet radius circles.

Find the area:

• A = π*12² - π*9² = 144π - 81π = 63π = 197.92 ft²