Math, asked by sumitsinghmehra9069, 1 month ago

An iron pipe has a cross section of iron being 1centimeter thick . The mass of 1 centimeters cube of cast iron is 7.2 gram . calculate the mass of a 2 meter length of the pipe .
Which has 12 by 10 as side

Answers

Answered by roha88
1

Answer:

So, the volume of the metal is V = 200*12*10 - 20*10*8 = 22400 cubic centimeters. The mass of the iron is 7.2*22400 = 161280 grams = 161.280 kilograms.

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