SOLUTION: 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

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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.
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
x=short side
3x=both longer sides
Perimeter is 3x+3x+x=7x
7x=84 cm
x=12 cm, short side.
Longer sides are 3x or 36 cm each.