document.write( "Question 1098009: When the dimensions of a cube are reduced by 4 inches on each side, the surface area of the new cube is 864 square inches. What were the dimensions of the original cube? \n" ); document.write( "

Algebra.Com's Answer #712404 by ikleyn(52780) $\"\"$ $\"About$

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document.write( "Step 1:  The area of each face of the smaller cube is   = 144  square inches.\r\n" );
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document.write( "Step 2:  The edge length of the smaller cube is  = 12 inches. \r\n" );
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document.write( "Step 3.  The edge length of the original cube is 12+4 = 16 inches.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Answer. The edge length of the original cube is 16 inches.\r
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