document.write( "Question 750698: The sureface are of a cube is 384 sq. inches. FInd the lenght of an edge.\r
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document.write( "A. 24
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document.write( "B. 4
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document.write( "c. 8
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document.write( "D. 16 \n" );
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Algebra.Com's Answer #456748 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The surface area of a cube is 384 sq. inches. FInd the length of an edge. \n" ); document.write( "---- \n" ); document.write( "The cube has 6 faces. \n" ); document.write( "Each face has area = e^2 \n" ); document.write( "Surface area = 6*e^2 where e is the length of one edge. \n" ); document.write( "----- \n" ); document.write( "Solve: \n" ); document.write( "6e^2 = 384 \n" ); document.write( "e^2 = 64 \n" ); document.write( "edge = 8 inches \n" ); document.write( "--------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "==================== \n" ); document.write( "A. 24 \n" ); document.write( "B. 4 \n" ); document.write( "c. 8 \n" ); document.write( "D. 16 \n" ); document.write( " \n" ); document.write( " |