document.write( "Question 789031: A square cardboard has an area of 81 cm2. Find its perimeter \n" ); document.write( "
Algebra.Com's Answer #478716 by jim_thompson5910(35256)\"\" \"About 
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It's area is 81 cm^2, so it's side length is \"sqrt%2881%29+=+9\" cm. So it's perimeter is therefore 4*9 = 36 cm \n" ); document.write( "
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