(3.1415927whatever X 25 squared)-(pi X (25-1.8)squared) : (pi X 19 squared) - (pi X 15 squared)
That is the ratio of large thin to smaller thick tube.
(3.1415927whatever X 25 squared)-(pi X (25-1.8)squared) : (pi X 19 squared) - (pi X 15 squared)
That is the ratio of large thin to smaller thick tube.
Last edited by Brian Newman; 07-11-2008 at 08:22 PM.
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