SOLUTION: a cylinder tube open at both ends is made of metal. the inner diameter of the tube is 10.4 cm and its length is 25cm the thickness of the metal is 8mm everywhere. calculate the vol

Question 920008: a cylinder tube open at both ends is made of metal. the inner diameter of the tube is 10.4 cm and its length is 25cm the thickness of the metal is 8mm everywhere. calculate the volume of the metal in the cylinder
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
The volume of metal is
outer volume - inner volume
Outer dimensions
outer diameter = 10.4 + 1.6 cm = 12 cm , radius = 6cm -r1
length = 25 cm
Inner dimensions
inner dimater = 10.4, radius = 5.2 cm,-r2
length = 25 cm
pir1^2h-pir2^2h
pi*h(r1^2-r2^2)
3.14*25*(6^2-5.2^2)

=703.36 cm^3
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