Area of Circles and Composite Figures

Label the circle's Circumferenceand Area Circumference Area Match the Circumference and Area to the correct formulas. Circumference (pi)D Area (pi)R^2 Match the circles with the correct area of the shaded part of the circle. Round your answers to the nearest tenth place. 3.1 sq cm 12.6 sq yd 153.9 sq in 50.2 sq cm 34.7 sq yd 794.8 sq in Susan designed a circular pool with a diameter of 25 meters. What is the area of the bottom of the pool? Round to the nearest tenth. 1,962.5 sq m 490.6 sq m 78.5 sq m Determine the area of the coin to the nearest tenth. 283.4 sq mm 1,133.5 sq mm 59.7 sq mm What is the area of the drumhead? Round to the nearest tenth. 153.9 sq in 44 sq in 615.4 sq in Estimate the area of the top of a round pizza that has a diameter of 16 inches. Round to the nearest tenth. 50.2 sq in 803.8 sq in 201 sq in Find the area of the semicircle. 31.4 sq units 15.7 sq units 628 sq units Find the area of the shaded region. Match the figure with the correct area. 88 sq cm 62 sq cm 141.3 sq cm 100.48 sq cm 126 sq cm