document.write( "Question 267759: If the surface area of a cube is 864 square inches, what is the length of the lateral edge of the cube? \n" ); document.write( "
Algebra.Com's Answer #196407 by palanisamy(496)\"\" \"About 
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Let a be the edge of a cube.
\n" ); document.write( "The surface area is 6a^2 = 864
\n" ); document.write( " a^2 = 824/6
\n" ); document.write( " a^2 = 144
\n" ); document.write( " a = 12
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