Question

Use the formula for the surface area of a sphere to find the surface area of a basketball that has a diameter of 9.2 inches. Use 3.14 pi and round your answer to the nearest hundredth, if necessary.(1 point)
Responses

66.44 in.2
66.44 inches squared

1,063.08 in.2
1,063.08 inches squared

84.64 in.2
84.64 inches squared

265.77 in.2

Answer 1

Surface area = 4πr^2. With diameter 9.2 in, r = 4.6 in.

Surface area = 4(3.14)(4.6)^2 = 4(3.14)(21.16) = 265.7696 ≈ 265.77 in^2.

Answer: 265.77 in.^2