Question

the inner diameter of a cylindrical container is 7 cm and its top is of the shape of a hemishphere as shown in the figure. if the height of the container is 16 cm find the actual capacity of the container.(use=22÷7)

Answer 1

the radius is 3.5cm
h of cylinder is 16-3.5=12.5
volume of cylinder=πr^2h
=22.7 *3.5*3.5*12.5
=481.25
hemisphere volume
=2/3*π*r^3
=2/3*22/7*3.5*3.5*3.5
89.79
total capacity=481.25+89.79
=571.04

Answer 2

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