A hollow cylindrical pipe open at both ends is made of 2 cm thick iron.If the internal diameter is 50 cm and the length of the pipe is 140 cm find the volume of iron in it.
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Step-by-step explanation:
Diameter=50
Radius=25
Hight=140
Volume of cylinder=πr²h
=22/7*25²*140=275000
Volume of cylindrical pipe=275000cm³
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