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)
66.44 in.2
84.64 in.2
265.77 in.
2
1, 063.08 in.2

Answer 1

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

SA = 4(3.14)(4.6^2) = 4(3.14)(21.16) = 3.14(84.64) = 265.7696 ≈ 265.77 in^2.

Answer: 265.77 in^2.