Mathematical and Physical Journal
for High Schools
Issued by the MATFUND Foundation
Already signed up?
New to KöMaL?
I want the old design back!!! :-)

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.


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

Problems in Mathematics of KöMaL, May 2015