Surface Areas a...

Find the volume of a frustum cone, whose base and upper area of a circle is 6 and 6 $$cm^2$$. The height of the cone is 100 cm.

The curved surface area of frustum cone is 612 $$mm^2$$. The diameter of a top cone is 10 and the radius of the bottom cone is 4 mm.  Find the slant height. (Use $$\pi$$ = 3).

Find the volume of a frustum cone, whose base and upper area of a circle is 20 and 80 $$m^2$$. The height of the cone is 45.5 m.

The base and top radius of a cone is 36 cm and 16 cm respectively. The height of the cone is 12.6 cm. What is the volume of frustum of a cone? (Use $$\pi$$ = 3.14). 

Find the volume of the frustum cone whose base and top
radius is 21 in and 5 in respectively. The height of the cone is 300 in. (Use $$\pi$$ = 3). 

Find the volume of the frustum cone whose base and top radius is 12.4 ft and 4.5 ft respectively. The height of the cone is 1,200 ft. (Use $$\pi$$ = 3). 

The total surface area of a frustum of cone is calculated as ________________.

Find the curved surface area of a frustum cone whose larger and smaller radius is 12.2 and 8.8 ft. The slant height is 5.2 ft. (Use $$\pi$$ = 3.14)

A flower pot in the shape of a frustum with the top and bottom circles of radii $$20$$  in and $$10$$ in. Its depth is $$30$$ in. Find its volume.

A flower pot in the shape of a frustum with the top and bottom circles of radii $$15$$ cm and $$10$$ cm. Its depth is $$36$$ cm. Find the surface area.