a metal pipe is 14 m long if its internal and external diameter are 2m m and 16m respectively then find the volume of pipe.
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1
Answer:
Given,
h=0.35 m=35 cm
D=8 cm,d=6 cm
R=4 cm,r=3 cm
The volume of pipe will be
=π(R
2
−r
2
)h
=
7
22
(4
2
−3
2
)×35
=
7
22
(16−9)×35
=770 cm
2
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