Question

Really struggling with this, can someone please help me out and give me a brief explanation? Id seriously appreciate it.

Answer 1

314 m²

Explanation:

the surface area of a sphere (As) is

As = 4×pi×r²

our radius r (half of the diameter) here is 5m.

As = 4×3.14×5² = 4×3.14×25 = 100×3.14 = 314 m²