Question 9 of 10
Which expression gives the surface area of a sphere with radius r?
A. pi r^2
В. 4pi r^3
C. 4pi r^2
D. 4 r^2

Respuesta :

Answer:

C. 4 pi r^2

Step-by-step explanation:

The surface area of a sphere is given by

SA = 4 pi r^2