If V and C stand respectively for the volume and curved surface area of a cylinder with radius r of base then
VC=πr
2V=Cr
2C=Vr
2r =VC
Radius of the base of the cylinder =r C =Curved surface area =2πrh πrh=C2 V =Volume = πr2h V=(πrh)r V=C2(r) 2V=Cr