Y by
Is it always possible that
points marked on a plane, none of which lie on the same line, can be divided into
groups of
points each, so that each of the four points of the group is the vertices of a convex quadrilateral and the interior of any two of did these quadrilaterals have no common points?



This post has been edited 1 time. Last edited by parmenides51, May 26, 2022, 3:53 AM
Reason: title typo
Reason: title typo