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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