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)![]() ![]() You can put this solution on YOUR website! 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 \n" ); document.write( " |