document.write( "Question 945379: The ratio of the side lengths in a rectangle is 5:2:5:2, and its area is 90 square feet. Find the side lengths. \n" ); document.write( "
Algebra.Com's Answer #576571 by Fombitz(32388)\"\" \"About 
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\"L%2FW=5%2F2\"
\n" ); document.write( "\"L=W%285%2F2%29\"
\n" ); document.write( "For a rectangle,
\n" ); document.write( "\"A=L%2AW\"
\n" ); document.write( "\"90=W%285%2F2%29W\"
\n" ); document.write( "\"W%5E2=180%2F5\"
\n" ); document.write( "\"W%5E2=36\"
\n" ); document.write( "\"W=6\"
\n" ); document.write( "Then,
\n" ); document.write( "\"L=6%285%2F2%29\"
\n" ); document.write( "\"L=15\"\r
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