The surface area of a sphere is A pi cm^2 and the volume of the sphere is B pi cm^3. If A/B = 1/2, then what is the radius of the sphere?
surface areaA / Volume B = 1/2
4 pi r^2 / (4/3 pi r^3) = 1/2
3 / r = 1/2
3 (2) = r = 6
+37146 
