Question

Find the surface area of the sphere.

Radius of sphere is 8"


Possible Answers:


a) 64 pi sq. in


b) 256 pi sq. in


c) 1,024 pi sq. in


*THE ANSWER IS b) 256 pi sq. in*

-I answered it by myself.-

Answer 1

256π sq. in.

Explanation:

Answer 2

804 in^2

Explanation:

The surface area of a sphere is given by A = 4πr^2, where r is the radius of the sphere.

Here, A = 4π*8^2 in^2 (must use units of measurement)

=256π in^2, or approximately 804 in^2