A washing tub in the shape of a frustum of a cone has height 21 cm. The radii of the circular top and bottom are 20 cm and 15 cm respectively. What is the capacity of the tub in litres?

A drinking glass is in the shape of a frustum of a cone of height 14cm. The diameter of its two circular ends are 4cm and 2cm respectively.Find the capacity of the glass.

Find the volume of a frustum of a cone of height 14cm and the radii of its two circular ends are 4 cm and 2 cm.

A bucket is in the form of a frustum of a cone and hold 28.490 litres of water. The radii of the top and bottom are 28 cm and 21 cm respectively. Find the height of the bucket.

A bucket is of height 25 cm. Its top and bottom radii are 20 cm and 10 cm respectively. Its capacity in litres is

a container open at the top and made up of a metal sheet, is in the form of a frustum of a cone of height 14 cm with radii of its lower and upper circular ends as 8 cm and 20 cm, respectively. find the capacity of the container.

A frustum of a cone has height 8 cm and radii of upper and lower circular surfaces are 22 cm and 16 cm respecticely. Its slant height is

Find the curved surface area of frustum of a cone of height 12 cm and radii of circular ends are 9 cm and 4 cm.

A bucket is in the form of a frustum of a cone and holds 28.490 litres of water. The radii of the top and bottom are 14 cm and 21 cm respectively. Find the height of the bucket.

A drinking glass is in the shape of a frustum of a cone of height 14 cm. The diameters of its two circular ends are 4 cm and 2 cm. Find the capacity of the glass.