Question

What is the surface area of a sphere with a radius of 11 centimeters

Answer 1

is the formula; 4/3 pi r^3 ?

Answer 2

no .. its akin to circumferent

Answer 3

do 3.14x11

Answer 4

4 pi r maybe

Answer 5

4pi r^2 .... that would be it

Answer 6

3.14x11

Answer 7

http://www.math.com/tables/geometry/surfareas.htm

Answer 8

\[\frac{d}{dr}\left(\frac{4}{3}\pi r^3\right)=4\pi r^2\]

:)

Answer 9

\[2*\int_{0}^{r} 2\pi\ r\ dr\]

Answer 10

lol ... that too