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The trunk of a tree is a right cylind...

The trunk of a tree is a right cylinder 1.5 m in radius and 10 m high. The volume of the timber which remains when the trunk is trimmed just enough to reduce it to a rectangular parallelopiped on a square base is (a) 44 m3       (b) 45 m3     (c) 46 m3     (d) 47 m3

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