When they were younger, Mrs. Corlett's sons shared a trampoline. To separate their play space, she decided to paint a line from one side to the other, across the center of the mat. The safety net that ran around the outside
edge of the circular trampoline measured 66 yards.
a. What was the length, in yards, of the painted line rounded to the nearest whole number?
b. What is the area of the mat?