3 thoughts on “Triangles – CAT Scan 2

    • You’d have to list (there could also be a PnC approach but for such a small number it would end up being 3 times as long and 10 times as complicated). I am assuming all sides to be natural numbers (ideally should be specified in the question…otherwise answer would be infinity)
      No side can be 10 or more. So start with 9:
      9 8 3
      9 7 4
      9 6 5
      8 7 5
      Hence 4 such triangles I think.

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