If the external diameter of a pipe is 25 cm and the thickness is 1 cm , find the total surface area.

If the external diameter of a pipe is 25cm and the thickness is 1cm, find the total surface area.

The external diameter of a lead pipe is 2.4 cm and the thickness of the lead is 2 mm. Find the weight of a pipe of length 7m, it being given that 1 cu cm of lead weight 10g

Find the weight of a lead pipe 3.5m long, if the external diameter of the pipe is 2.4cm and the thickness of the lead is 2mm and 1 cubic cm of lead weighs 11gm.

Find the weight of a lead pipe 3.5m long, if the external diameter of the pipe is 2.4cm and the thickness of the lead is 2mm and 1 cubic cm of lead weighs 11 gm.

Find the weight of a lead pipe 3.5m long, if the external diameter of the pipe is 2.4cm and the thickness of the lead is 2mm and 1 cubic cm of lead weighs 11 gm.

Find the weight of a lead pipe 3.5m long,if the external diameter of the pipe is 2.4cm and the thickness of the lead is 2mm and 1 cubic cm of lead weighs 11gm.

Find the weight of a lead pipe 3.5m long,if the external diameter of the pipe is 2.4cm and the thickness of the leed is 2mm and 1 cubic cm of lead weighs 11gm.

Find the mass of a 3.5 m long lead pipe, if the external diameter of the pipe is 2.4 cm, thickness of the metal is 2 mm and the mass of 1\ c m^3 of lead is 11.4 grams.

Find the mass of a 3.5 m long lead pipe, if the external diameter of the pipe is 2.4 cm, thickness of the metal is 2 mm and the mass of 1\ c m^3 of lead is 11.4 grams.

An iron pipe 20 cm long has exterior diameter equal to 25cm. If the thickness of the pipe is 1cm, find the whole surface of the pipe.