Question

the curved surface area of a cylinder is 4400cm2 and the circumference of it's base is 110 cm .Find the height and volume of the cylinder

Answer 1

circumference of base of cylinder =2×22/7×r
110=44/7×r
110×7/44=r
35/2=r

csa of cylinder =2×22/7×35/2×h
4400=2×22/7×35/2×h
4400×7×2/2×22×35=h
40=h

v of cylinder =22/7×35/2×35/2×40
=38500cm^3