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desperate help needed for assignment

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bantamm

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ok guys and gals...

how do i work out the inner diameter of a hollow tube???
 

nik_harsha

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hi ,
find the circumference of the tube 2*pi*r. you will get the radius of the outer portion . now substract the thickness of the tube from that . you will get the inner radius .
simple!
 

bantamm

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thanks for that, but we are not told the thickness.

that would be too easy...

but thread can be closed as ive solved it i think...!
 

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