Question

If the surface area of a sphere is 144π cm2, what is the radius

Answer 1

Use the formula for the surface area of a sphere.

Answer 2

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

Answer 3

is it 12?

Answer 4

No. You made a small calculation error.

Answer 5

144π=4π(r^2) solve for r

Answer 6

36?

Answer 7

r^2=144π/4π=36

Answer 8

r=sqrt(36)=6
is that right?

Answer 9

Please don't post full answers, @mukushla. It is against the Code of Conduct.

Answer 10

@Limitless
ok...

Answer 11

@mukushla, thank you.