document.write( "Question 199167: If the sides of a square are lengthened by 8cm, the area becomes 144cm^2. Find the length of a side of the original square. \n" ); document.write( "
Algebra.Com's Answer #149636 by rfer(16322)\"\" \"About 
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The new area is 144 cm^2.
\n" ); document.write( "A square has equal sides so 12x12=144 for the new one.
\n" ); document.write( "12-8=4cm
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