document.write( "Question 808429: The length of a rectangle is four times its width.
\n" ); document.write( "If the area of the rectangle is 196 cm2 , find its perimeter.
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Algebra.Com's Answer #487002 by TimothyLamb(4379)\"\" \"About 
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L = 4W
\n" ); document.write( "A = L*W = 196
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\n" ); document.write( "4W*W = 196
\n" ); document.write( "W*W = 196/4
\n" ); document.write( "W*W = 49
\n" ); document.write( "W = 7
\n" ); document.write( "L = 28
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\n" ); document.write( "Answer:
\n" ); document.write( "P = 2L + 2W = 70
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