Q. 53.8( 18 Votes )

Volume of a hemisphere is 18000 p cubic cm. Find its diameter.

Answer :

Given: Volume of hemisphere = 18000π cm3

And we know volume of hemisphere is given by,

Volume =

Substituting value of volume of hemisphere in above equation, we get

18000π = 2/3 πr3

18000 × 3 = 2r3

r3 = (18000 × 3)/2

r3 = 9000 × 3

r3 = 3 × 3 × 3 × 1000

r = 3 × 10

r = 30

If radius of hemisphere is 30 cm, then diameter of the hemisphere will be twice of the radius.

diameter = 2(radius)

diameter = 2(30)

diameter = 60

Thus, diameter of hemisphere is 60 cm.

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