MathDB

1

Part of 1970 Kurschak Competition

Problems(1)

max no of acute angles in n-gon which is not selfintersecting

Source: 1970 Hungary - Kürschák Competition p1

10/15/2022
What is the largest possible number of acute angles in an nn-gon which is not selfintersecting (no two non-adjacent edges interesect)?
combinatoricscombinatorial geometryangles