# <span lang="EN-US

Let r be the radius of base and h be the height of cylinder

Curved surface area of cylinder = 660 cm2

Curved surface area = 2πrh

2πrh = 660

2 × × r × h = 660

r × h =

r × h =

r × h = 15 × 7

r × h = 105

rh = 105

Volume of cylinder = 1650 cm3

Volume of cylinder = πr2h

πr2h = 1650

× r × r × h = 1650

Using r × h = 105 we get

× r × 105 = 1650

22 × 15 × r = 1650

r =

r =

r = 5 cm

Substitute r = 5 in r × h = 105 to get h

5 × h = 105

h =

h = 21 cm

Therefore, radius is 5 cm and height is 21 cm

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