Mathematics · Mensuration

A hollow iron pipe is 35 cm long and its external diameter is 14 cm. If the thickness of the pipe is 1 cm and the iron used to make the pipe weighs 10 g/cm 3 , then the weight of the pipe in kg is: (π = 22 7 )

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14.3

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A hollow iron pipe is 35 cm long and its external diameter is 14 cm. If the thickness of the pipe is 1 cm and the iron used to make the pipe weighs 10 g/cm 3 , then the weight of the pipe in kg is: (&pi; = 22 7 )