document.write( "Question 330303: The length of a rectangle is four times its width.
\n" ); document.write( "If the area of the rectangle is 256cm^2 , find its perimeter. \n" ); document.write( "

Algebra.Com's Answer #236754 by JBarnum(2146) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"l=4w\"$
\n" ); document.write( " $\"a=256\"$
\n" ); document.write( " $\"a=lw\"$
\n" ); document.write( " $\"256=4w%5E2\"$
\n" ); document.write( " $\"64=w%5E2\"$
\n" ); document.write( " $\"w=8\"$
\n" ); document.write( " $\"l=32\"$
\n" ); document.write( " $\"p=2%28l%2Bw%29\"$
\n" ); document.write( " $\"p=2%2832%2B8%29\"$
\n" ); document.write( " $\"highlight%28p=80%29\"$ \n" ); document.write( "

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