Puzzle #44: Thinking Outside the Box

Posted on December 14, 2013 by

This is a nice cute puzzle with a “small” trick – I took this from the book “The Moscow Puzzles” by Boris A. Kordemsky (Puzzle #175).

In the diagram, 3 matches are connected with balls of plastic to make an equilateral triangle. Can you form 7 such triangles with 9 matches?

Seven Triangles

Seven Triangles

As always, please send your answers directly to me at alokgoyal_2001@yahoo.com. If you like the puzzle, please share it with others. If you have interesting puzzles to share, please send them to me at my e-mail given above.

Happy thinking!

 

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One Response to Puzzle #44: Thinking Outside the Box

  1. Rohit says:
    December 15, 2013 at 12:58 am

    Yes, in 3d. Taking the existing triangle as the mid plane, with three matches more on each side you can create two pyramids that share the existing triangle as the base. Total of six external face triangles and one common base triangle.

    Reply

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