document.write( "Question 122283: what is the total surface area of a cube when it's edge is doubled,tripled & halved \n" ); document.write( "
Algebra.Com's Answer #89778 by psbhowmick(878)\"\" \"About 
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The total surface area of a cube with edge 'a' is given by
\n" ); document.write( "\"S+=+6a%5E2\".
\n" ); document.write( "If edge is doubled, then the edge '2a' in the above formula and so the new total surface area is
\n" ); document.write( "\"S%5Bnew%5D+=+6%282a%29%5E2+=+4x%286a%5E2%29+=+4S\" i.e. 4 times original total surface area.
\n" ); document.write( "If edge is trebled, then the edge '3a' in the above formula and so the new total surface area is
\n" ); document.write( "\"S%5Bnew%5D+=+6%283a%29%5E2+=+9x%286a%5E2%29+=+9S\" i.e. 9 times original total surface area.
\n" ); document.write( "If edge is halved, then the edge \"a%2F2\" in the above formula and so the new total surface area is
\n" ); document.write( "\"S%5Bnew%5D+=+6%28a%2F2%29%5E2+=+%286a%5E2%29%2F4+=+S%2F4\" i.e. one-fourth original total surface area.
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