Question

Need help on these ASAP!!

Answer 1

surface area of sphere = 615.44mm²

volume of sphere = 523.33mm³

Explanation:

S.A = 4πr²

4 × 3.14 × 7 × 7 = 615.44.

volume = 4πr³/3

4 × 3.14 ×5 × 5 × 5 ÷ 3 = 523.33