The radius of the base of a cylindrical water-drum open at the top at the top is 35 cm and height 1.3m. Find the inner surface area of the water-drum.

A cylindrical vessel,open at the top,has a radius 10cm and height 14cm. Find the total surface area of the vessel.(Take pi =3.14)

The base and top of a right circular cylindrical drum are hemispherical .The diameter of cylindrical part is 14 cm and total height is 30 cm .Find the total surface area of the drum.

A right circular cylindr has base radius 8 cm and height 35 cm .Find the curved surface area of the cylinder.

Find the total surface area of the closed cylindrical drum if its diameter is 50 cm and height is 45 cm.

A tent is cylindrical in shape with a conical top above it.the radius of the base of tent is 7m. The height of the cylindrical part is 20m and the height of the conical part is 4m. Find the volume of air in the tent.

All oil drum is in the shape of a cylinder with two hemi-spheres stuck to each of its ends. The length of the drum is 5 m and the width is 1 m. Find its surface area.