Mathematical and Physical Journal
for High Schools
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Problem A. 645. (May 2015)

A. 645. Do there exist infinitely many (not necessarily convex) 2015-gons in the plane such that every three of them have a common interior point, but no four have a common point?

(5 pont)

Deadline expired on June 10, 2015.


Statistics:

2 students sent a solution.
1 point:1 student.
0 point:1 student.

Problems in Mathematics of KöMaL, May 2015