2. The design for a backyard swimming pool is shown. The curves are semicircles. 8 m 4 m 10.6 m a) Determine the area of the swimming pool. [ 5A] b ) A circular island of radius 1 m is installed in the pool. What is the new area of the pool? [1A] c) The backyard is a rectangle measuring 102 feet by 65 feet. The area not taken up by the pool is planted with grass. What is the area of the grass in square feet? (1 m = 3.2808 feet) [ 5A]