The inner diameter of a cylinderical wooden pipe is 24 cm and its outer diameter is 28 cm. The length of the pipe is 35 cm. Find the mass of the pipe, if `1cm^(3)` of wood has a mass of 0.6 g.

The inner diameter of a cylindrical wooden pipe is 24 cm. and its outer diamter is 28 cm. The length of the pipe is 35 cm. Find the mass of the pipe, if 1 cm^(3) of wood has a mass of 0.6g.

The inner diameter of a cylindrical wooden pipe is 24 cm and its outer diameter is 28 cm. The pipe is 35 cm long . Find the mass of the pipe if 1cm^(3) of wood has a mass of 0.6 gm .

The diameter of a semicircular protactor is 14cm. Find its perimeter .

The diamter of a metallic sphere is 6 cm. it is melted and a wire of diameter 0.2 cm is drawn. Then the length of the wire is

In a circle of diameter 40 cm, the length of a chord is 20 cm. Find the length of minor arc of the chord.

A lead pencil consists of a cylinder of wood with a solid cylinder of graphite filled in the interior. The diameter of the pencil is 7 mm and the diameter of the graphite is 1 mm. If the length of the pencil is 14 cm, find the volume of the wood and that of the graphite.

A solid iron pole consists of a cylinder of a height 220cm and base diameter 24cm , which is surmounted by another cylinder of height 60cm and radius 8cm . Find the mass of the pole , given that 1cm^(3) of iron has approximately 8g mass. (Use pi=3.14 )