The curved surface area of a cylinder of height 21cm is 660cm2 , find its radius and volume. Share with your friends Share 0 Manbar Singh answered this 1 View Full Answer Tanmay Bhadri answered this CSA=2πrh 660=2×(22/7)×r×21 r=(660×7)/(2×22×21) r=4620/924 r=5cm Volume= πr^2h =22/7 * (5)^2 * 21 =1650 Sq cm. 1
