Golf balls and a priori knowledge

If a golf ball's dimples are made up of pentagons and hexagons, no matter how many dimples the ball has, twelve of them will be pentagons.

4 comments:

  1. I am told one can further derive ABCT from this.

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  2. Replies
    1. No, a real fact! It follows from Eulers graph formula, V - E + F = 2.

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