If the volume of a hemisphere is 2,712.3 in^3, what is the radius??
V hemisphere = (2/3)pi (radius)^3
2,712.3 = (2/3)pi (radius)^3 divide both sides by (2/3)pi
[ 2,712.3 ] / [ (2/3) pi ] = radius^3 take the cube root of both sides
( [ 2,712.3 ] / [ (2/3) pi ] ) ^(1/3) = radius = about 10.9 in
