You have determined that you can install a round swimming pool that has an area that is less than 400 square feet. Are you able to install a swimming pool that has a diameter of 20 feet? Explain.
The radius of the circular pool is 10 feet. The approximate area of the pool (rounded to two decimal places) _______ is square feet. Since the area is less than 400, you are able to install a swimming pool with a diameter of 20 feet.