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Math Help - triangle with biggest area

  1. #1
    Junior Member Dragon's Avatar
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    Oct 2006
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    triangle with biggest area

    Of the fllowing triangles given by the lenghts if their sides, which one has the greatest area?

    [1] 5,12,12
    [2] 5,12,13
    [3] 5,12,14
    [4] 5,12,15
    [5] 5,12,16
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  2. #2
    Member Ranger SVO's Avatar
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    Abilene Tx
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    It should be [B], the right triangle. Can you see why?

    If you draw an acute triangle, a right triangle and an obtuse triangle with two fixed lengths, 12 and 5, look at whats happening to the area inside



    maybe the picture is less confusing.
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