Knot brain teaser

  • Thread starter Icebreaker
  • Start date

Icebreaker

Take a long rectangular piece of paper, and tie a simple knot. Carefully pull it into place and the location of the knot will be a perfect pentagon. Why?

(Not a brain teaser, I really don't know the answer.)
 
Last edited by a moderator:

Icebreaker

No, in fact, I did not.
 

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