document.write( "Question 421285: the length of a rectangle is three times its width.
\n" ); document.write( "If the area of the rectangle is 75 cm to the second power , find its perimeter. \n" ); document.write( "

Algebra.Com's Answer #294215 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+A+=+w%2A3w\"$
\n" ); document.write( " $\"75+=+3w%5E2\"$
\n" ); document.write( " $\"25+=+w%5E2+\"$
\n" ); document.write( " $\"+5+=+w\"$
\n" ); document.write( " $\"+l+=+3w\"$
\n" ); document.write( " $\"l+=+15\"$
\n" ); document.write( "The formula for perimeter is
\n" ); document.write( " $\"P+=+2w+%2B+2l\"$
\n" ); document.write( " $\"+P+=+2%2A5+%2B+2%2A15+\"$
\n" ); document.write( " $\"+P+=+10+%2B+30+\"$
\n" ); document.write( " $\"+P+=+40+\"$ cm \n" ); document.write( "

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