document.write( "Question 342658: The side of a rectangle are in ratio of 12:13:15. The perimeter is 120cm. Find the lengths of the sides of the triangles? \n" ); document.write( "

Algebra.Com's Answer #245513 by Fombitz(32388) $\"\"$ $\"About$

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$\"12x%2B13x%2B15x=120\"$
\n" ); document.write( " $\"40x=120\"$
\n" ); document.write( " $\"x=3\"$
\n" ); document.write( " $\"12x=36\"$
\n" ); document.write( " $\"13x=39\"$
\n" ); document.write( " $\"15x=45\"$
\n" ); document.write( "The sides are $\"36\"$ cm, $\"39\"$ cm, and $\"45\"$ cm. \n" ); document.write( "

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