Find the volume and the total surface area of the solid.

A solid is in the form of a cylinder with hemispherical ends. The total height of the solid is 19 cm and the diameter of the cylinder is 7 cm. Find the volume and the total surface area of the solid.

Solution:

Radius of cylinder = cm
and height of cylinder = 19 – 2 × cm
= 19 – 7 = 12 cm
and radius of hemisphere = cm

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