document.write( "Question 410901: Find the length of a rectangle that has a diagonal of 25 feet and a width of 15 feet. \n" ); document.write( "
Algebra.Com's Answer #288871 by unlockmath(1688)\"\" \"About 
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Hello,
\n" ); document.write( "For this one we'll need to use the Pythagorean formula.
\n" ); document.write( "15^2+x^2=25^2
\n" ); document.write( "Expand this out to:
\n" ); document.write( "225+x^2=625
\n" ); document.write( "Subtract 225
\n" ); document.write( "x^2=400
\n" ); document.write( "Square root both sides to get:
\n" ); document.write( "x=+-20
\n" ); document.write( "The only sensible answer for the length is 20 feet.
\n" ); document.write( "Make Sense?
\n" ); document.write( "RJ
\n" ); document.write( "www.math-unlock.com
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