document.write( "Question 314626: How long is the diagonal of a rectangle with a length of 5 feet and a width of 4 feet \n" ); document.write( "
Algebra.Com's Answer #224993 by rapaljer(4671)\"\" \"About 
You can put this solution on YOUR website!
The diagonal is the hypotenuse of a right triangle.\r
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\n" ); document.write( "\n" ); document.write( "\"5%5E2+%2B+4%5E2=d%5E2\"
\n" ); document.write( "\"25+%2B+16=+d%5E2\"
\n" ); document.write( "\"d%5E2=41\"
\n" ); document.write( "\"d=sqrt%2841%29\" or \"d=-sqrt%2841%29\"\r
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\n" ); document.write( "\n" ); document.write( "Reject the second solution because the hypotenuse cannot be negative.\r
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\n" ); document.write( "\n" ); document.write( "Final answer =\"sqrt%2841%29\".\r
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\n" ); document.write( "\n" ); document.write( "Dr. Robert J. Rapalje
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