The interior of a building is in the form of a right circular cylinder of diameter 4.2 m and height 4 m and height 4 m surmounted by a cone of same diameter. The hright of the cone is 2.8 m. Find the outer surface area of the building.

The interior of a building is in the form of a cylinder of base radius 12 m and height 3.5 m, surmounted by a cone of equal base and slant height 12.5 m. Find the internal curved surface area and the capacity of the building.

The interior of a building is in the form of cylinder of diameter 4.3 m and height 3.8 m, surmounted by a cone whose vertical angle is a right angle. Find the area of the surface and the volume of the building. (Take pi=3. 14 )

A military ten of height 8.25m is in the form of a right circular cylinder of base diameter 30m and height 5.5m surmounted by right circular cone of same base radius. Find the length of the canvas use in making the tent. If the breadth of the canvas is 1.5m.

A military ten of height 8.25m is in the form of a right circular cylinder of base diameter 30m and height 5.5m surmounted by right circular cone of same base radius. Find the length of the canvas use in making the tent. If the breadth of the canvas is 1.5m.

A tent of height 77 dm is in the form a right circular cylinder of diameter 36 m and height 44 dm surmounted by a right circular cone. Find the cost of the canvas at Rs 3. 50\ p e r\ m^2 .

A tent of height 8.25 m is in the form of a right circular cylinder with diameter of base 30 m and height 5.5 m, surmounted by a right circular cone of the same base. Find the cost of the canvas of the tent at the rate of Rs 45\ p e r\ m^2 .

A tent of height 77dm is in the form of a right circular cylinder of diameter 36m and height 44dm surmounted by a right circular cone. Find the cost of the canvas at Rs. 3.50 per m^2(U s epi=(22)/7)

Solid cylinder of brass 8m high and 4m diameter is melted and recast into a cone of diameter 3m. Find the height of the cone.

Find the total surface area of a right circular cone with radius 6cm and height 8cm.

The volume of a right circular cone is 9856 cm^3 . If the diameter of the base is 28 cm. Find (i) height of the cone (ii) slant height of the cone (iii) curved surface area of the cone