Problem B. 4714. (May 2015)
B. 4714. Given 2015 points in the plane, show that if every four of them form a convex quadrilateral then the points are the vertices of a convex 2015-sided polygon.
(4 pont)
Deadline expired on June 10, 2015.
Statistics:
80 students sent a solution. 4 points: 55 students. 3 points: 8 students. 2 points: 6 students. 1 point: 3 students. 0 point: 8 students.
Problems in Mathematics of KöMaL, May 2015