SOLUTION: In equilateral triangle ABC, AB=3x and BC=2x+12. Find the numerical value of the perimeter of triangle ABC

Question 551252: In equilateral triangle ABC, AB=3x and BC=2x+12. Find the numerical value of the perimeter of triangle ABC
Answer by fcabanski(1391) (Show Source): You can put this solution on YOUR website!
In an equilateral triangle all sides have the same length.

AB=BC=AC
3x=2x+12
x=12

AB = 3x = 3*12 = 36 = 2*12+12 = AC

Perimeter = 3*36 = 108

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