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Thread: Triangle Inequality 2

  1. #1
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    Triangle Inequality 2

    ABC is a triangle.
    D is element of [AC]
    AB=AD
    BD=24 units
    DC=7 units
    What is the minimum value of perimeter of ABC as an integer?
    My work:
    ABC=2a+7+BC
    2a+7>31
    BC>25
    Perimeter of ABC>56
    But according to my book answer is 63.
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  2. #2
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    Re: Triangle Inequality 2

    2a > 24 (not 31)
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