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Bonaventura Cavalieri
Bonaventura Cavalieri (1598–1647) was an Italian mathematician whose legacy includes early work on logarithms and geometry, including the rule known today as Cavalieri's principle.
Cavalieri's principle states that the volumes of two objects are equal if the areas of corresponding cross-sections are in all cases equal. Two cross-sections correspond if they are intersections of the body with planes equidistant from a chosen base plane.
It is used in one of the proofs of the formula for the volume of a sphere.
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details