document.write( "Question 285079: The perimeter of a square is 72 units. What is the length of the diagonal of the square? \n" ); document.write( "
Algebra.Com's Answer #206716 by mananth(16946)\"\" \"About 
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the perimeter of a square =72\r
\n" ); document.write( "\n" ); document.write( "4*L =72\r
\n" ); document.write( "\n" ); document.write( "L=18\r
\n" ); document.write( "\n" ); document.write( "The diagonal and the sides of the square form a right angle triangle.\r
\n" ); document.write( "\n" ); document.write( "18^2 + 18^2 = Diagonal^2\r
\n" ); document.write( "\n" ); document.write( "diagonal = sqrt(18^2+18^2)\r
\n" ); document.write( "\n" ); document.write( "= 25.45 units\r
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