Video Brain Teaser #17

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Taught by videomathtutor
  • Currently 1.0/5 Stars.
1864 views | 2 ratings
Part of video series
Lesson Description:

How can you draw four straight lines without lifting your pencil and connect all nine dots that are arranged in a square?

Questions answered by this video:
  • How can you draw four straight lines without lifting your pencil and connect all nine dots that are arranged in a square?
  • Staff Review

    • Currently 2.0/5 Stars.
    Perhaps the most difficult of all the brain teasers. This classic brain teaser truly challenges you to think "outside the box".