Question

PLEASE HELP!!
What is the surface area of a sphere with radius 2?

A. 4 pi units^2
B. 2 pi units^2
C. 8 pi units^2
D. 16 pi units^2

Answer 1

\[4 \pi r^2\]\[4 \pi 2^2 = 4 \pi 4 = 16 \pi\]

Answer 2

thanks i wanted to make sure if my answer is right thankss!

Answer 3

no problem :)