Q. 24.3( 61 Votes )

The volume of a c

Answer :

Given, volume of cylinder = 308 cm3

Height = 8cm


Volume of the cylinder = πr2h


308 = 3.14 × r2 × 8


r2 =


r =


r = 3.5cm


lateral surface area = 2πrh


= 2 × 3.14 × 3.5 × 8


= 175.9 176cm2


Total surface area = 2πr(r + h)


= 2 × π × 3.5 × (3.5 + 8)


= 252.89 253cm2


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