Posted by kenneth on Wednesday, June 18, 2014 at 7:55am.
an open box is to be formed out of a rectangular piece of cardboard whose length is 8 cm longer than its width to form the box,a square of side 4 cm will be removed from each corner of the cardboard then the edges of the remaining cardboard will be turned up.

math (?)  PsyDAG, Wednesday, June 18, 2014 at 11:35am
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