The circumference of the base of a 9 m high conical tent is 44 m. Find the volume of the air in it.

The circumference of the base of a cylinder is 66 cm and its height is 35 cm. Find the volume of the cylinder.

A hemispherical dome of a building needs to be painted (see Fig. 13.21). If the circumference of the base of the dome is 17.6 m, find the cost of painting it, given the cost of painting is ₹5 per 100 cm^2 .

The trunk of a tree is cylindrical and its circumference is 176 cm. If the length of the trunk is 3 m, find the volume of the timber that can be obtained form the trunk.

Total surface area of the cylinder is 2640 " cm"^2 and the circumference of its base is 44 cm. Find the volume of the cylinder.

A cloth having an area of 165m^2 is shaped into the form of a conical tent of radius 5m find the volume of the cone.

The radius of the base of a right circular cone is 12 m. If the slant height of the cone is 15 m, find the height of the cone.

The radius of the base of a right circular cone is 12 m. If the slant height of the cone is 15 m, find the height of the cone.

If m = 2, find the value of: 9 – 5m

A circus tent is cylindrical upto a height of 3 m and conical above it. If the diameter of the base is 105 m and the slant height of the conical part is 53 m, find the total cost of the canvas used to make the tent when the cost per square metre of the canvas is ? 10.

If the circumference of a circular sheet is 154 m, find its radius. Also find the area of the sheet. (Take pi = 22/ 7 )