Surface Areas a...

Find the curved surface area of a frustum of cone. The slant height is 20 cm, top and bottom radius is 11 and 15 cm respectively. (Use $$\pi$$ = 3) 

The total surface area of frustum cone is 270 $$in^2$$. The radius of a top cone is 2 and the bottom cone is 2 in. Find the curved surface area of a frustum cone. (Use $$\pi$$ = 3.14). 

The slant height of a frustum of a cone is 25 mm, the top and the bottom diameter are 0.2 mm and 0.4 mm respectively. Find the curved surface area of a frustum of cone. (Use $$\pi$$ = 3.14)

The curved surface area of frustum cone is 360 $$in^2$$. The diameter of a top cone is 12 and the bottom cone is 20 in.  Find the slant height. (Use $$\pi$$ = 3.14). Round off your answer to the nearest whole number.

The slant height of a cone is 30 in, top and bottom diameter is 3.5 and 1.6 in respectively. Find the curved surface area of a frustum of cone. (Use $$\pi$$ = 3.14)

Find the curved surface area of a frustum of a cone. The slant height is $$15 \text{ cm}$$, top and bottom diameter is $$4 \text{ cm}$$ and $$10 \text{ cm}$$ respectively. (Use $$\pi= 3$$)

Find the curved surface area of a frustum of cone. The slant height is 12 m, top and bottom radius is 2 and 3 m respectively. (Use $$\pi$$ = 3.14)

The area of the curved surface of the frustum of a cone is $$360 m^2$$. The top and base circles have area $$12m^2$$ and $$16 m^2$$ respectively. Find the total surface area.

The total surface area of frustum cone is 2,700 $$m^2$$. The diameter of a top cone is 3 and the bottom cone is 4 m. What is the curved surface area of a frustum cone? (Use $$\pi$$ = 3).

The total surface area of frustum cone is 1,500 $$ft^2$$. The radius of a top cone is 10 and the bottom cone is 12 ft. What is the curved surface area of a frustum cone? (Use $$\pi$$ = 3).