MathDB

398

Part of 1985 All Soviet Union Mathematical Olympiad

Problems(1)

ASU 398 All Soviet Union MO 1985 painting all sides + diagonals of n-angle

Source:

8/5/2019
You should paint all the sides and diagonals of the regular nn-gon so, that every pair of segments, having the common point, would be painted with different colours. How many colours will you require?
Coloringpolygon