A hollow cylindrical pipe is 21 dm long. It outer and inner diameters are 10cm and 6cm respectively. Find the volume of the copper used in making the pipe.

A hollow cylindrical pipe is 21 dm long. Its outer and inner diameters are 10 cm and 6 cm respectively. Find the volume of the copper used in making the pipe.

A hollow cylindrical pipe is 21 dm long. Its outer and inner diameters are 10 cm and 6 cm respectively. Find the volume of the copper used in making the pipe.

A hollow cylindrical pipe is 21dm long.It outer and inner diameters are 10cm and 6cm respectively.Find the volume of the copper used in making the pipe.

A hollow cylindrical pipe is 21dm long.Its outer and inner diameters are 10cm and 6cm respectively.Find the volume of the copper used in making the pipe.

A hollow cylindrical tube 20 cm long is made of iron and its external and internal diameters are 8 cm and 6 cm respectively. The volume (in cubic cm) of iron used in making the tube is (Taken pi=22//7 )

A hollow cylindrical pipe is made of iron. Its external and internal radii are 8 cm and 7 cm respectively and it is 35 cm long. If 1 cm^3 iron weight 8g, then the weight of the pipe is.

The internal and external diameters of a hollow hemispherical vessel are 21 cm and 28 cm respectively. Find : volume of material of the vessel.

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 inner diameter of a cylindrical wooden pipe is 24cm and its outer diameter is 28cm . The length of the pipe is 35cm. Find the mass of the pipe,if 1cm3 of wood has a mass of 0.6 g.