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Math Help - confused

  1. #1
    Newbie
    Joined
    Jun 2005
    Posts
    4

    confused

    A box contains one 2-inch rod, one 3-inch rod, one 4-inch rod, and one
    5-inch rod. What is the maximum number of different triangles that can
    be made using these rods as sides?
    (1) 1 (3) 3
    (2) 2 (4) 4

    got choice 4 but answer is 3
    dont know why.
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  2. #2
    Site Founder Math Help's Avatar
    Joined
    Apr 2005
    Posts
    171

    triangle puzzler

    you cannot make a triangle with sides 2, 3, and 5
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