Question

Please i need help, i can't get this question wrong. Please help, please and thank you

Answer 1

The answer is D.

Explanation:

You only have to substitute π value and r value into the formula :

`s.a = 4\pi {r}^(2)`

`let \: \pi = 3,r = 2`

`s.a = 4 * 3 * {2}^(2)`

`s.a = 12 * 4`

`s.a = 48 \: {m}^(2)`

Answer 2

D. 48

Explanation:

4pi r^2

4 × 3 × 2^2 = 48