document.write( "Question 804702: The diagonal of a rectangle is 20 inches. The width of the rectangle is 4 inches shorter than its length. Write a quadratic equation about the length of the rectangle (use L for length). \n" ); document.write( "

Algebra.Com's Answer #484874 by richwmiller(17219) $\"\"$ $\"About$

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w=L-4
\n" ); document.write( "20^2=L^2+(L-4)^2
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