document.write( "Question 654693: if the area of a square is 81 how do i find the lenghth??? \n" ); document.write( "
Algebra.Com's Answer #408982 by jim_thompson5910(35256)\"\" \"About 
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A = s^2\r
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\n" ); document.write( "\n" ); document.write( "81 = s^2\r
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\n" ); document.write( "\n" ); document.write( "s^2 = 81\r
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\n" ); document.write( "\n" ); document.write( "s = sqrt(81)\r
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\n" ); document.write( "\n" ); document.write( "s = 9\r
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\n" ); document.write( "\n" ); document.write( "So the side length is 9 units
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