Question 595238
find the radius of a sphere to the nearest foot that has a volume of 100ft.
:
{{{4/3}}}*{{{pi*r^3}}} = 100
Multiply both sides by 3
{{{4*pi*r^3}}} = 300
divide both sides by 4pi
{{{r^3}}} = {{{300/(4pi)}}}
{{{r^3}}} = 23.87324
r = {{{3sqrt(23.87324)}}}
r = 2.88 ~ 3 ft is the radius