Posted by jo on Wednesday, February 27, 2013 at 2:10pm.
A piece of cardboard measure 12ft by 12ft. Corners are to be cut from it as shown by the broken lines, and the sides folded up to make a box with an open top. What size corners should be cut from the cardboard to make a boxx with the greatest possible volume.

math  Anonymous, Friday, April 26, 2013 at 9:15pm
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