Question

NEED HELP ASAP
If you doubled the radius of a sphere, how would the surface area change?
A. The surface area would double.
B. The surface area would be 1/2 of the original surface area.
C. The surface area would quadruple.
D. The surface area would not change, but the volume would.

Answer 1

Surface area of a sphere is directly proportional to the square of it's radius, so if get doubled, SA would affected by: 2^2 = 4 times

In short, Your Answer would be: Option C

Hope this helps!