"How many triangles"

Discussion in 'Attention Seekers' started by Karlijn, Apr 5, 2018.

  1. Karlijn

    Karlijn Guest

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    I've seen this thing multiple times in facebook, and I'm surprised by how many people get it totally wrong.
    What do you think? How many triangles are there?

    28514710_1962710597081331_3517628795668087075_o.jpg
     
  2. Mithras

    Mithras Chi Moderator

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    25. 26 if u count the word triangles
     
  3. Karlijn

    Karlijn Guest

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    Can you point them out? All 25? (the word "triangle" is not a triangle)
     
  4. Squire72

    Squire72 Moberator

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    I only see 18

    One big triangle, 3 little ones at the top of the big one, 3 that go from the top to 2/3 down, and 3 long skinny ones that go from the top to the bottom, then 2 wider triangles that overlap and go 1/3 down, 2 that go 2/3 down from the top, and 2 more that go all the way to the bottom. And one that goes from the top 1/3 down, and 2/3 down that’s full width
     
  5. Mithras

    Mithras Chi Moderator

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    yeah one could argue that the word triangle counts as well but yeah no i cant point em out unless in person. actually i change my answer to 24
     
  6. Karlijn

    Karlijn Guest

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    That's what I counted too

    triangles.jpg
     
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  7. mcpon14

    mcpon14 Guest

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    Sakarinbo knows how to draw those really, really well. :)
     
  8. Woofer

    Woofer soul jer

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    do square count
     
  9. The Reverend

    The Reverend Addict

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  10. Karlijn

    Karlijn Guest

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    :rofl:
     
  11. yarmulke

    yarmulke Newbie

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    I only see 14 I'm missing 4
     
  12. mcpon14

    mcpon14 Guest

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    @The Reverend Didn't Archimedes figure out an approximation of pi or the circumference of the circle or something but using ever-smaller triangles?
     
  13. The Reverend

    The Reverend Addict

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    Yes (using circumscribed regular polygons), but as far as numerical methods go for approximating pi, it converges rather slowly. However, Archimedes was definitely a profound genius.
     
  14. Mithras

    Mithras Chi Moderator

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    oh well this helps. the top 1/3 of the figure is a triangle, the middle 3rd is a triangle and the
    more like missing 10
     
  15. mcpon14

    mcpon14 Guest

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    But can't one triangle be counted as 3 triangles if you use each of the points as the top point? Or is there no top point, lol? :nuts:
     
  16. Karlijn

    Karlijn Guest

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    What?
     
  17. mcpon14

    mcpon14 Guest

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    Probably a no on a top point. :confused:
    :nuts:
     
  18. The Reverend

    The Reverend Addict

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    Do you mean can we rotate a figure in the plane and call it a different figure?
     
  19. mcpon14

    mcpon14 Guest

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    Yeah, if the concept of a top point is used, but I'm only talking about in this instance.
     
  20. LOVELAMP

    LOVELAMP Veteran

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    I count 18, 18 triangles ah ah ah
     
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