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

  • math -

    x=6
    so i believe the answer would be
    18+12+12 which equals 42
    im not for sure though but that's how i think you would do it

  • math -

    If BC = 12, then each side = 12 and the
    perimeter would be 3 * 12 = 36. please
    check your problem.

  • math -

    I think Troy has a typo
    and it should say
    BC = 2x+12

    so 3x = 2x+12
    x = 12

    any other interpretation will lead to a contradiction, since the triangle is equilateral.

    perimeter = 36

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