Question

Find the surface area please :)

Answer 1

12.57 or 12.56

Explanation:

Surface area for a sphere is
`4\pi r^(2)`

so assuming pi is 3.14

4*(3.14)*1^2

so..

4*(3.14)*1

4*3.14=12.56

12.56*1=12.56 rounds up to 12.57

Im sorry if this does't help much :I