The radii of the ends of a frustum of a cone 45 cm high are 28 cm and 7 cm (see Fig. 13.21). Find its volume, the curved surface area and the total suface area (Take `pi=22/7`).

If the radii of the ends of a buckets 45 cm high are 28 cm and 7 cm , determine its capacity and surface area.

The radius of the base of a cone is 14 cm and its height is 24 cm. find the volume, curved surface area and total surface area of the cone.

If the radii of the ends of a bucket 54 cm high are 28 cm and 14 cm, determine its capacity and the surface area.

The height of a cone is 16 cm and its base radius is 12 cm. Find the curved surface area and the total surface area of the cone. (Use pi = 3.14)

Find (i) the curved surface area and (ii) the total surface area of a hemisphere of radius 21 cm.

The diameter of a cylinder is 28 cm and its height is 40 cm. find the curved surface area and the total surface area of the cylinder.

Diameter of the base of a cone is 10.5 cm and its slant height is 10 cm. Find its curved surface area and its total surface area.

Diameter of the base of a cone is 10.5 cm and its slant height is 10 cm. Find its curved surface area and its total surface area.

The perimeters of the ends of a frustum of a right circular cone are 44 cm and 33 cm. If the height of the frustum be 16 cm , find its volume, the slant surface and the total surface

A metal pipe is 77 cm long. The inner diameter of a cross section is 4 cm, the outer diameter being 4.4 cm (see Fig. 13.11). Find its (i) inner curved surface area, (ii) outer curved surface area, Assume pi = 22/7 , unless stated otherwise.