Surface Areas a...

A bucket is in the shape of the frustum of a right circular cone as shown in figure. Find the curved surface area. (Use $$\pi$$ = $$3$$)

Find the curved surface area of a frustum cone whose larger and smaller radius is 12 and 8 cm. The slant height is 24 cm. (Use $$\pi$$ = 3.14)

Fill in the blank: The surface area of a frustum cone is measured in ______ units.

Calculate the volume of a frustum cone :

Given D = 2 cm, d = 1 cm, h = 15 cm.

The curved surface area of a frustum cone is calculated by using the formula,_____________.

A bucket is in the shape of the frustum of a right circular cone, whose radii are 5 and 10 mm. The curved surface area is $$210$$ mm. Find the slant height. (Use $$\pi$$ = $$3$$)

A bucket is in the shape of the frustum with the top and bottom circle area is $$250$$ and $$150$$ $$m^2$$. The height of the bucket is $$27$$ m. Find the volume.

What is the capacity of a bucket which if $$45$$ cm high if its radii at the ends are $$28$$ cm and $$7$$ cm?

If the radii of the circular ends of a conical glass are $$15$$ and $$9$$ cm whose slant height is 35 cm. Find the surface area of the glass? (Use $$\pi$$ = $$3$$)

A vessel is in the form of a frustum of a cone. The area of the ends of the frustum cone are $$122$$ $$cm^2$$ and $$205$$ $$cm^2$$. If the curved surface area is $$305$$ $$cm^2$$. Find the total surface area.