Surface Areas a...

Find the surface area of a frustum of cone, whose larger and smaller radius is 1.5 cm and 0.2 cm. The slant height of the cone is 2.5 cm. (Use $$\pi$$ = 3.14)

Find the surface area of a frustum of cone, whose larger and smaller radius is 25 cm and 12 cm. The slant height of the cone is 30 cm. (Use $$\pi$$ = 3.14)

The larger and smaller diameter of a cone is 35 m and 15 m. The slant height of the cone is 210 m. What is the surface area of a frustum of cone? (Use $$\pi$$ = 22/7).

The larger and smaller diameter of a cone is 14 m and 5 m. The slant height of the cone is 100 m. What is the surface area of a frustum of cone? (Use $$\pi$$ = 3). 

Find the surface area of a frustum of cone, whose larger and smaller radius is 50 m and 20 m. The slant height of the cone is 100 m. (Use $$\pi$$ = 3) 

The circumference of lower and upper bases of the frustum cone is 11 and 23 m. The slant height is 12 m. What is the curved surface area ?

Find the slant height of a frustum cone whose top radius is 12 m and bottom radius is 10 m. The height of the cone is 13 m.

The larger diameter of a frustum cone is double the smaller diameter which is 6 cm. The slant height of the cone is 20 cm. What is the surface area? (Use $$\pi$$ = 3.14).

Find the slant height of a frustum cone whose top radius is 14 in and bottom radius is 2 in. The height of the cone is 9 in.

Find the slant height of a frustum cone whose top radius is 10 ft and bottom radius is 4 ft. The height of the cone is 8 ft.