document.write( "Question 109634This question is from textbook
\n" ); document.write( ": The area of a square is 81 square centimeters. How long is each side of the square? \n" ); document.write( "
Algebra.Com's Answer #79935 by checkley71(8403)\"\" \"About 
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X^2=81
\n" ); document.write( "X=SQRT81
\n" ); document.write( "X=9 ANSWER.
\n" ); document.write( "PROOF
\n" ); document.write( "9^2=81
\n" ); document.write( "81=81
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