document.write( "Question 998129: The width of a triangle is one-fifth as much as the length. The perimeter is 120cm. Find the length and the width.
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Algebra.Com's Answer #616002 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Perimeter P = 2L + 2W = 120 cm \n" ); document.write( "W = (1/5)L or \n" ); document.write( "L = 5W \n" ); document.write( "Now substitute this in and get \n" ); document.write( "2(5W) + 2W = 120 \n" ); document.write( "12W = 120 \n" ); document.write( "W = 10 cm \n" ); document.write( "L = 50 cm \n" ); document.write( " |