We have, The diameter of right circular cylinder =20cm ∴2r=20cm ⇒r=10cm We know that curved surface area =2πrh sq. units Given that curved surface area =1000cm2 ⇒2πrh=1000 ⇒π×20h=1000 ⇒h=
50
π
cm We know that volume of cylinder =πr2h sq. units =π×(10)2×