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 be 22 cm, diameter of the cylindrical portion be 8 cm and the diameter of the top of the funnel be 18 cm, find the area of the tin required to make the funnel.

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

An oil funnel of tin sheet consists of a cylindrical portion 10 cm long attached to a frustum of cone. The diameters of the top and bottom of the frustum are 18 cm and 8 cm respecti8vely. If the slant height of the frustum of the cone is 13 cm, find the area of the tin required to make the funnel from the given information in the figure (pi=3.14)

A drinking glass is in the shape of a frustum of a cone of height 14 cm. The diameters of its two circular ends are 4 cm and 2 cm. Find the capacity of the glass.

A drinking glass is in the shape of a frustum of a cone of height 14 cm, The diameters of its two circular ends are 16 cm and 12 cm. Find the capacity of the glass.

Find the total surface area of a cone, if its slant height is 21cm and diameter of its base is 24 cm

A drinking glass is in the shape of a frustum of a cone of height 14cm. The diameters of its two circular ends are 4cm and 2cm. Find the capacity of the glass.

A cone of height 4 cm is melted and recast into a sphere of diameter 8 cm .Find the radius of the base of the cone.

How much metal sheet is required to prepare a cylindrical pipe 10 cm long and radius 7 cm?