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.

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

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

An iron pipe is 21 m long and its exterior diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weight is 8 g/cm' find the weight of pipe.

A hollow iron pipe is 21 cm long and its exterior diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weights 8 g/cm^3, then the weight of the pipe is____

A hollow iron pipe is 21 cm long and its exterior diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weighs 8g//cm^(3) , then the weight of the pipe is (Take pi = (22)/(7) )

A hollow iron pipe of 21 cm long and its external diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weights "8 g/cm"^(3) , then the weight of the pipe is

A hollow iron pipe is 21cm long and its external diameter is 8cm. If the thickness of the pipe is 1cm and iron weighs 8g/cm3, then the weight of the pipe is (a) 3.6kg (b) 3.696kgquad (c)36kg (d) 36.9kg

A hollow iron pipe is 28 cm long and its external diameter is 10 cm.If the thickness of the pipe is 2 cm and iron weighs 5g//cm^(3) , then the weight of the pipe is :

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

A hollow copper pipe is 22 cm long and its external diameter is 28 cm.If the thickness of the pipe is 3 cm and iron weighs 8.5 g/ cm^3 , then the weight of the pipe is closest to: