document.write( "Question 1200504: A box with a square base and no top is to be made from a square piece of carboard by cutting 4 in. squares from each corner and folding up the sides. The box is to hold 17956 in3. How big a piece of cardboard is needed? \r
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Algebra.Com's Answer #834652 by ikleyn(52780) $\"\"$ $\"About$

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\n" ); document.write( "A box with a square base and no top is to be made from a square piece of carboard
\n" ); document.write( "by cutting 4 in. squares from each corner and folding up the sides.
\n" ); document.write( "The box is to hold 17956 in3. How big a piece of cardboard is needed?
\n" ); document.write( "Your answer is [ ]in. By [ ]in.
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\n" ); document.write( "\n" ); document.write( " Solve it MENTALLY.\r
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document.write( "It is OBVIOUS that the height of the box is 4 inches.\r\n" );
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document.write( "Hence, the base area of the box is   = 4489 square inches.\r\n" );
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document.write( "Then the size of the square base is   = 67 inches.\r\n" );
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document.write( "It means that the original cardboard is the square of the side 67 + 4 + 4 = 75 inches.\r\n" );
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document.write( "ANSWER.  The original cardboard is the square of the side of 75 inches.\r\n" );
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\n" ); document.write( "\n" ); document.write( "You need a calculator to extract the square root, but you do not need to solve and even to write any equations.\r
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