Question

The volume of a sphere is found using the formula . If the volume of a sphere is 36 , what is the radius, in feet?

Answer 1

`V=(4)/(3).\pi.r^3\\ \\ (4)/(3) \pi.r^3=36\\ \\ 4 \pi r^3=108\\ \\ r^3=(108)/(4 \pi)=(27)/(\pi)\\ \\ r =\sqrt[3]{(27)/(\pi)}= (3)/(1,46) \approx 2,05 \ ft`