Question

Surface area of sphere is 144 pi m^2 find its volume

Answer 1

$V=\dfrac{4}{3}\pi r^3\\A=144\pi=4\pi r^2\\\\144\pi=4\pi r^2\\r^2=36\\r=6\\\\V=\dfrac{4}{3}\pi \cdot 6^3=288\pi \text{m^3}$