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Question

A vessel is in the form of a hemispherical bowl mounted by a hollow cylinder. The diameter of the sphere is 14cm and the total height of the vessel is 13cm. Find its capacity. (Take π=22/7)

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Solution

Let r be the radius of the hemispherical bowl and h be the height of the cylinder.

Then, r=7cm and h=6cm

Total capacity of the bowl

= volume of the cylinder + volume of the hemisphere
=(πr2h+23πr3)cm3

=πr2(h+23r)cm3

=227×72×(6+23×7)cm3

=1642.66cm3

1041262_1010658_ans_31be84169ecc47379714db9728ba970d.png

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