The slant height of the frustrum of a cone is 5cm.If the difference between the radii of its two circular ends is 4 cm then find the height of the frustum.

The slant height of a frustum of a cone is 4 cm and the perimeter (circumference) of its circular ends are 18 cm and 16 cm. Find the curved surface area of the frustum.

The slant height of a frustum of a cone 4 cm and the perimeters(circumferences) of its circular ends are 18 cm and 6 cm.Find the curved surface area of the frustum.

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

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

If the diameter of a semi-circular protactor is 14 cm then find its perimeter.

A bucket is in the form of frustum of a cone and holds 28.49 liters of milk. The radius of the top and bottom are 28 cm and 21 cm respectively. Find the height of the bucket.

A toy is in the form of a cone mounted on a hemisphere with same radius. The diameter of the base of the conical portion is 7 cm and the total height of the toy is 14.5 cm. Find the volume of the toy.

A fez,the cap used by the Turks,is shaped like the frustum of a cone (seeFig)If its radius on the open side is 10 cm,radius at the upper base is 4 cm and its slant height is 15 cm,find the area of material used for making it.

A bucket made up of a metal sheet is in the form of a frustum of a cone. Its depth is 24 cm and the diameters of the top and bottom are 30 cm and 10 cm respectively. Find the cost of milk which can completely fill the bucket at the rate of ₹ 20 per litre and the cost of metal used, if its cost ₹ 10 per 100 cm^2 (pi = 3.14) .