SOLUTION: Thomas is going to make an open -top box by cutting squares from four coners of an 11 inch by 14 inch sheet of cardboard and folding up the sides. If the area of the base is to be

Question 123332: Thomas is going to make an open -top box by cutting squares from four coners of an 11 inch by 14 inch sheet of cardboard and folding up the sides. If the area of the base is to be 80 ibches, then what size square should be cut from each corner?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
He starts with an area of in2
The area of the bottom is to be in2
The area of the sides and the removed corners is
If I call the side of the removed square ,
then the four sides plus the four removed squares is

solve by completing the square

in answer
or, using calculator,
in
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