Question

surface area of the sphere in the curved surface area of the cylinder are in the ratio 2 : 1 find the ratio of their volumes if the radii are equal

Answer 1

given (4*3.14*r^2)/(2*3.14*rh)=2/1

from this we get r=h

now ((4/3)*3.14*r^3)/(3.14*r^2*h) is 4:3