document.write( "Question 273832: gina has a sheet of cardboard that measures 9 feet by 6 feet. she uses scissors and tape to make the entire sheet of cardboard into closed box that is a perfect cube. What is the surface area of the box \n" ); document.write( "
Algebra.Com's Answer #199997 by checkley77(12844)\"\" \"About 
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6*9=54 ft^2 is the surface area of the cardboard.
\n" ); document.write( "6x^2=54 is the surface area of the cube.
\n" ); document.write( "x^2=54/6
\n" ); document.write( "x^2=9
\n" ); document.write( "x=sqrt9
\n" ); document.write( "x=3 ft. length of all sides of the cube.
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