02 May 2011

7. Egypt

Easy Medium Hard Extreme


Add 3 matchsticks to form 4 triangles all equal in size. All the matchsticks don't have to be placed flat on the surface.

You've got to think out of the box with this one!

Show Answer

This is a view from the top. It is called a tetrahedron. The matchsticks are placed three dimensional vertically to form a pyramid. Hence, the name of this puzzle. (Yes, we know the pyramids have 4 sides!)

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6 comments:

  1. Anonymous28 June, 2013 02:51

    4 faces

    ReplyDelete
  2. Anonymous05 April, 2014 10:19

    That shape is known as a tetrahedron

    ReplyDelete
  3. Dawie05 April, 2014 14:11

    Thanks. I have included "tetrahedron" in the answer.

    ReplyDelete
  4. Unknown09 July, 2015 21:30

    My answer would have been to use 3 matchsticks to divide the single triangle into 4 smaller triangles. This keeps it a 2D puzzle,

    ReplyDelete
  5. Lily24 August, 2017 06:11

    Thanks, Dawie! Your website really helped with my homework!It's really useful and I hope more people can find it. :)

    ReplyDelete
  6. Dawie25 August, 2017 13:52

    You are welcome Lily.

    ReplyDelete

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