A unique question in geometry/combinatorics

Sarosh

New member
Joined
Jan 4, 2021
Messages
7
Hi
I spent a lot of time trying to solve this combinatorial question in geometry .
Can you please give me any suggestions or help.
I am studying this topic by myself from 'Janos Pach Pankaj K.Agarwal, combinatorial geometry (1995)'.20210104_105555-1.jpg
 
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