document.write( "Question 447528: A rectangle has a diagonal length of 7 cm and a width of 3 cm. What's the area (in simplified radical form). \n" ); document.write( "
Algebra.Com's Answer #308092 by jorel1380(3719)\"\" \"About 
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7^2-3^2=L^2
\n" ); document.write( "49-9=L^2
\n" ); document.write( "L=√40=√4√10=2√10
\n" ); document.write( "Area=3x2√10=6√10..
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