A cylinder bucket of diameter 28 cm and height 20 cm was full of sand. When the sand in the bucket was poured on the ground, the sand got converted into a shape of a cone. If the height of the cone was 14 cm, what was the base area of the cone?

A cone was melted and cast into a cylinder of the same radius as that of the base of the cone. If the height of the cylinder is 5cm, find the height of the cone.

A triangle has an area of 11.6 sq cm. If its height is 2.9 cm, what is its base ?

A solid metallic cone of radius 2 cm and height 8 cm is melted into a sphere. Find the radius of sphere.

The area of parallelogram is 72 sq cm. If its height is 8 cm, what is its base ?

The radii of the circular ends of a frustum of a cone are 14 cm and 8 cm. If the height of the frustum is 8 cm. Find (i) Curved surface area of the frustum

If radius is 7 cm and height is 10 cm, then what is curved surface area of cylinder?

Find the curved surface area of a cone of radius 7 cm and height 24 cm.

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)