document.write( "Question 248084: what is the area of rectangle length is 4 diagonal is 6 \n" ); document.write( "
Algebra.Com's Answer #180863 by rfer(16322)\"\" \"About 
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c^2=a^2+b^2
\n" ); document.write( "36=16+x
\n" ); document.write( "20=x
\n" ); document.write( "-------------
\n" ); document.write( "20*4=80 sq units
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