The curved surface area of a cylinder is 1320 cm2 and its base had diameter 21 cm. Find the height and the volume of the cylinder.
[Use π = 22/7]
Given,
Curved surface area of cylinder = 1320 cm2
Diameter of base = 21 cm
So, radius of base = 
= 2πrh = 1320
= 
= 
Hence volume of cylinder = πr2h = 
12