Surface Areas a...

The height of the frustum cone is 60 cm. The area of the top and bottom circle of the cone is 10 cm$$^2$$ and 10 cm$$^2$$ respectively. Find its volume.

The volume of frustum of a cone is 300 m$$^3$$. The area of the bottom circle of the cone is 90 m$$^2$$ and the area of the top circle of the cone is 90 m$$^2$$. Find its height. 

The volume of frustum of a cone is 270.15 mm$$^3$$. The area of the bottom circle of the cone is 20 mm$$^2$$ and the area of the top circle of the cone is 5 mm$$^2$$. Find its height. 

The height of the frustum cone is 270 ft. The area of the top and bottom circle of the cone is 8 ft$$^2$$ and 32 ft$$^2$$ respectively. Find its volume. 

The height of the frustum cone is 1,500 ft. The area of the top and bottom circle of the cone is 20 ft$$^2$$ and 80 ft$$^2$$ respectively. Find its volume. 

The curved surface area of frustum cone is 1,200 cm. The diameter of a cone is 50 and 12 cm.  Find the slant height. (Use $$\pi$$ = 3).

The volume of frustum of a cone is 180.27 ft$$^3$$. The area of the bottom circle of the cone is 27 ft$$^2$$ and the area of the top circle of the cone is 12 ft$$^2$$. Find its height. 

Calculate the total surface area of a frustum of cone whose upper base radius is 6 m and lower base radius is 5 m and its height is 1 m. (Use $$\pi$$ = 3).

Calculate the total surface area of a frustum of cone whose upper base radius is 4 cm and lower base radius is 1 cm and its height is 4 cm. (Use $$\pi$$ = 3). 

Calculate the total surface area of a frustum of cone whose upper base radius is 15 m and lower base radius is 5 m and its height is 15 m. (Use $$\pi$$ = 3).