document.write( "Question 1174783: A square has a diagonal 20 inches long. Find the perimeter of the square. Round your answer to the hundredth place. \n" ); document.write( "
Algebra.Com's Answer #800269 by math_helper(2461)\"\" \"About 
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If each side of the square has length \"s\" then the diagonal \"+d\" is related to \"s\" by:\r
\n" ); document.write( "\n" ); document.write( "\"+s%5E2+%2B+s%5E2+=+d%5E2+\"

\n" ); document.write( "\"+2s%5E2+=+d%5E2+\"

\n" ); document.write( "\"+s%5E2+=+d%5E2%2F2+\"

\n" ); document.write( "\"+s+=+d%2Fsqrt%282%29+\" \r
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