58. The Recreation Department wants to build a circular wading pool in the city park. The area available for the pool is a fenced-in rectangular region 12 meters by 18 meters. If the Recreation Department wants the wading pool to be as large as possible, and the edge of the pool must be at least 2 meters from the fence all around, how many meters long should the radius of the pool be?

Answer and Explanation

Your Answer is

Correct Answer is F

Explanation

The longest diameter of the pool can be 12-2-2=8 meters, so the longest radius is 4 meters.