1.

curved surface area of area of the cylinder is 220 cm² and the height is 10 c.m , what is its volume ?​

Answer»

GIVEN :-

CSA = 220 cm²

Height = 10 cm

To Find :-

Volume

Solution :-

We know that

CSA = 2πrh

220 = 2 × 22/7 × R × 10

220 = 44/7 × 10 × r

220 = 440/7r

220 × 7/440 = r

1 × 7/2 = r

3.5 = r

Now,

Volume = πr²h

Volume = 22/7 × (3.5)² × 10

Volume = 22/7 × 1225/100 × 10

Volume = 22/7 × 1225/10

Volume = 26950/70

Volume = 2695/7

Volume = 385 cm³



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