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IMO Shortlist 1966 problem 14

Kvaliteta:

  Avg: 4,0

Težina:

  Avg: 5,0

Dodao/la: arhiva
2. travnja 2012.

1966 geo komb kružnica shortlist

What is the maximal number of regions a circle can be divided in by segments joining points on the boundary of the circle ?

Posted already on the board I think...

%V0 What is the maximal number of regions a circle can be divided in by segments joining $n$ points on the boundary of the circle ? Posted already on the board I think...