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Let's Never Cross Paths Again

  • A classic problem and challenging proof
  • Creation Date: Monday, 26 August 2024
  • File size: 62.83 KB
  • Downloaded: 332
  • Instructions:

    Look at the diagram below.  Using one line per path, join A to A, B to B, C to C, and D to D.  Lines must not cross or leave the circle.

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