Consider a hollow cylinder of inner radius r and thickness of wall t and length l.
Consider a hollow cylinder of inner radius r and thickness of wall t and length l. The volume of the above cylinder is given by
(A) 2πl(r2 - l2)
(B) 2πrlt(t/2r + 1)
(C) 2πl(r2 + t2)
(D) 2πrl(r + t)
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