Question

Need some assistance on this question.

Answer 1

volume = 2/3πr³

2×π×12×12×12

3

1152π

surface area= 2πr²

2×π×12×12

288π

Answer 2

Surface area =
`2 \pi r^2 = 2 (12)^2 \pi in^2 = 288 \pi in^2`

Volume =
`2/3 \pi r^3 = 2/3 (12)^3 \pi in^3 = 1152 \pi in^3`