Question

Please help. Find the surface area of the sphere which has a
diameter of 30.
A. 188.5
B. 706.86
C. 2827.43
D. 14137.17

I am not a math person AT ALL.

Answer 1

surface area of a sphere is,
$$4\pi r^2$$
where r is the radius
knowing that diameter (d) =2r you can easily find the surface area

http://en.wikipedia.org/wiki/Sphere

Answer 2

4πr2
x = 4π15^2
x = 12.55637(225)
x = 2827.433388

Answer 3

yes, you're correct

Answer 4

Thank you both so much. I know it might be easy to find, but I am really horrible at math. Thanks!!!!!!

Answer 5

haha anytime ;)