Surface Areas a...

The surface area of the frustum cone is $$297 cm^{2}$$ whose top circle radius is $$2$$ cm and bottom circle radius is $$5$$ cm. Find its slant height. (Use $$\pi = 3$$)

The surface area of the frustum cone is $$450 m^{2}$$ whose top circle radius is $$3$$ m and bottom circle radius is $$2$$ m. Find its slant height. (Use $$\pi$$ = 3)

A rocket has a cylindrical part which is converted into conical part at the front. The cylindrical part of the rocket radius is 12 cm and its height is 20 cm. The conical part of the rocket slant height is 4 cm and its radius is 7 cm. Find the surface area of rocket ( $$\pi$$ = 3)

Find the surface area of a frustum of cone, whose larger and smaller radius is $$12$$ cm and $$8$$ cm. The height of the cone is $$3$$ cm. (Use $$\pi = 3$$)

A tent of 20 mm in radius and 14 mm in height has to be made. If the cost of canvas is Rs. 14 per $$mm^2$$, total cost of canvas used to make the tent is Rs. ____________. ( Use $$\pi$$ = 22/7)

What is the surface area of a frustum of cone, whose larger and smaller radius is $$6$$ in. and $$2$$ in. The height of the cone is $$3$$ in. (Use $$\pi = 3.14$$)

Find the surface area of a frustum of cone, whose larger and smaller radius is $$8$$ m and $$4$$ m. The height of the cone is $$3$$ cm. (Use $$\pi= 3$$)

A bucket is in the form of a frustum of a cone. The curved surface area of the bucket is $$270 \pi \space\ cm^2$$. The top and bottom radius of the bucket is $$3$$cm and $$6$$cm. What is the slant height?

A bucket in the shape of a frustum with the top and bottom circle area is $$120m^2$$ and $$280m^2$$. The height of the bucket is $$15$$ m. Find its volume.

A truncated drum is in the shape of a frustum of a cone of height $$10$$ cm. The radius of its two circular ends are $$4$$ cm and $$7$$ cm. Find the volume of the drum.