Answer:
Surface area = [tex]2 \pi r^2 = 2 (12)^2 \pi in^2 = 288 \pi in^2[/tex]
Volume =[tex] 2/3 \pi r^3 = 2/3 (12)^3 \pi in^3 = 1152 \pi in^3[/tex]
volume = 2/3πr³
2×π×12×12×12
3
1152π
surface area= 2πr²
2×π×12×12
288π
