document.write( "Question 199273: Help! \r
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Algebra.Com's Answer #149716 by RAY100(1637)\"\" \"About 
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diagonal ^2 = l^2 +w^2 +z^2
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\n" ); document.write( "for a cube,, d^2 = 3 s^2.
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\n" ); document.write( "for s =10, d^2 = 3 (10)^2 =300
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\n" ); document.write( "dia = sqrt 300 = 17.32
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