Math, asked by abi0411, 1 year ago

a piece of metal pipe is 35 m long. the inner diameter of cross section is 14cm and the outer diameter is 16cm. if the weight of metal is 10gm per cm^3, what is the weight of the piece of pipe?

Answers

Answered by PradnyaDeul
2
h=35
R=16
r=14
Volume of hollow cylinder=pi(R2-r2)h putting values we get V=66000
Mass= volume/density
=66000/10
= 6600grams
=6.6kg
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