What is the area of a circle with a radius equal to 9 meters? (a) 25.8 square meters (b) 81 square meters (c) 56.52 square meters (d) 254.34 square meters

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π