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OpenStudy (anonymous):
a piece of cardboard has an area of 486 cm^2. a square of side 3cm is cut from each corner and an open box is made by turning up the ends and sides if the volume of the box formed is 756cm^3. what are the dimensions of the cardboard?
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hartnn (hartnn):
drawing a figure will help, could u draw a figure of this ?
OpenStudy (anonymous):
|dw:1353637103770:dw|
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