A funnel consists of a frustum of a cone attached to a cylinderical portion 12 cm long attached at the bottom . If the total height be 20 cm , diameter of the cylinderical portion be 12 cm and the diameter of the top of the funnel be 24 cm . Find the outer surface area of the funne.

An oil funnel of tin sheet consists of a cylindrical portion 10 cm long attached to a frustum of a cone. If the total height is 22 cm, the diameter of the cylindrical portion be 8 cm and the diameter of the top of the funnel be 18 cm, then find the area of the tin sheet required to make the funnel.

The perimeters of the ends of frustum of a cone are 207.24 cm and 169.56 cm . If the height of the frustum be 8 cm , find the whole surface area of the frustum ( use pi=3.14 )

The perimeters of the ends of frustum of a cone are 207.24 cm and 169.56cm. If the height of the frustum be 8cm. Find the whole surface area of the frustum. [Use pi=3.14 ]. .

The perimeters of the ends of frustum of a cone are 207.24cm nd 169.56cm. If the height of the frustum be 8 cm, find the whole surface area of the frustum. [Use pi = 3.14 ]

A tent is in the shape of a right circular cylinder surmounted by a cone. The total height and the diameter of the base are 13.5m and 28m. If the height of th cylindrical portion is 3m, Find the total surface area of the tent.

Total surface are of a cuboid is 400 cm. Height of the cuboid is 20cm. Find the perimeter of the base of the cuboid.

A toy is in the shape of a cylinder surmounted by a hemisphere . The height of the toy is 25 cm . Find the total surface area of the toy is its common diameter is 12 cm .