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 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.

Find the total surface area (in cm^(2) ) of a right circular cylinder of diameter 42 cm. and height 14 cm.

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 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)

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 )

Find the total surface area (in cm^(2) ) of a right circular cylinder of diameter 28 cm., and height 12 cm.

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.