Question

( Picture Below ) What is the surface area of a sphere with radius 2?

Answer 1

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

Answer 2

r is your radius

Answer 3

4x3.14x2^3=100.48?

Answer 4

No I mean 4x3.14x2^2=50.24?

Answer 5

thats better.

Answer 6

so would it be A according to the pic?

Answer 7

ah yes, the options have all left the factor of pi in them

Answer 8

A is correct \(\boxed{\large\color{red}\checkmark}\)

Answer 9

alright cool thanks!