document.write( "Question 988665: A triangle has a perimeter of 84 centimeters. Each of the two longer sides of the triangle is three times as long as the shortest side. Find the length of each side of the triangle. \n" ); document.write( "
Algebra.Com's Answer #609156 by Boreal(15235)\"\" \"About 
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x=short side
\n" ); document.write( "3x=both longer sides
\n" ); document.write( "Perimeter is 3x+3x+x=7x
\n" ); document.write( "7x=84 cm
\n" ); document.write( "x=12 cm, short side.
\n" ); document.write( "Longer sides are 3x or 36 cm each.
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