Math

Bob the builder has many sticks of length 3, 5, and 7. He wants to form triangles whose edges consist of exactly 1 stick. How many non-congruent triangles can he form with the sticks?

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asked by Andrew
  1. Heck, the only set of sides which cannot work is

    3,3,7

    So, list all those with all 3 sides the same,
    those with two sides the same
    those with all different sides.

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    posted by Steve
  2. I don't get what you mean?

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    posted by Andrew

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