document.write( "Question 1044564: A rectangle is 4 times as long as it is wide. Its area is 84km^2.Find the dimensions to decimalplaces.
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Algebra.Com's Answer #659883 by ikleyn(52794) $\"\"$ $\"About$

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document.write( "L = 4W   (given).\r\n" );
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document.write( "Area S = L*W = (4W)*W =  = 84.\r\n" );
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document.write( "Hence,   =  = 21.\r\n" );
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document.write( "Then  W =  = 4.583 km.\r\n" );
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document.write( "Then L = 4W = 4*4.583 = 18.303 km.\r\n" );
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document.write( "Answer.  The dimensions of the rectangle are  4.583 km  and  18.303 km.\r\n" );
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