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Old 2009 July 1st, 10:44 AM   #6 (permalink)
hrif
Within my grasp!
 
Join Date: Aug 2008
Posts: 279
hrif just joined TestMagic.
consider O the center of XZ

(OX)2 + (OW)2 = (XW)2
(CY)2 + (OW)2 = (YW)2

Since CX>OY then XW>YW
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