Area of Circles

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. 3.1 sq cm 12.6 sq yd 154 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 Vidur needs to buy mulch for the garden with the dimensions shown in the figure. For how much area does Vidur need to buy mulch? Round to the nearest tenth. 95 sq yd 47.5 sq yd 8.6 sq yd