# A hemispherical bowl of internal radius 18 cm contains an edible oil to be filled in cylindrical bottles of radius 3 cm and height 9 cm. How many bottles are required to empty the bowl?

Given.

Radius of hemisphere is 18 cm

Radius of cylinder is 3 cm

Height of cylinder is 9 cm

Formula used/Theory.

Volume of cylinder = πr2h

Volume of hemisphere = πr3

Volume of cylindrical bottle = πr2h

= π × (3cm)2 × 9 cm

= 81π cm3

Volume of hemispherical bowl = πr3

= × π × (18 cm)3

= 3888 π cm3

Number of cylindrical bottle will be get by dividing Volume of hemispherical bowl by Volume of each Cylindrical bottle

Number of cylindrical bottle =

=

= 48 bottles

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