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        riddles >> medium >> Convexity
        
(Message started by: Michael Dagg on Sep 11^th, 2020, 7:03pm)

Title: Convexity
Post by Michael Dagg on Sep 11^th, 2020, 7:03pm

Prove that there is an integer N such that no matter how N
points are placed in the plane, with no 3 collinear, some 10
of them form the vertices of a convex polygon.