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 )

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

The interior of the building is in the form of a right circular cylinder of radius 7m and height 6m, surmounted by a right circular cone of the same radius and of vertical angle 60^(@). Find the cost of painting the building from inside at the rate of Rs 30/m^(2)

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

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

If the radius of a cone is 8m and its slant height is 21m , then the curved surface area of the conical structure is

The height of a cone is 16cm and its base radius is 12cm. Find the curved surface area and the total surface area of the cone

The curved surface area of a cone of base radius r and height h is_______.

The radius of a cone is 5cm and vertical height is 12cm. Find the area of the curved surface.

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.