SOLUTION: Find the perimeter of a triangle if one side is 11 centimeters, another side is two-fifths the perimeter and the third side is one half the perimeter.

Question 231426: Find the perimeter of a triangle if one side is 11 centimeters, another side is two-fifths the perimeter and the third side is one half the perimeter.
Answer by unlockmath(1688) (Show Source): You can put this solution on YOUR website!
Hello,
Let x be the total perimeter,then we can set up an equation.
11 + 2/5(x) + 1/2(x) = x Let's multiply 10 so to get rid of the fractions.
110 + 4x + 5x = 10x Now, subtract 9x from both sides.
110 = x This gives us the total perimeter.
11 cm is one side (given)
44 cm is another side
55 cm is the other side These should add up to 110 cm
RJ
www.math-unlock.com

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