MathDB

184

Part of 1950 Moscow Mathematical Olympiad

Problems(1)

MMO 184 Moscow MO 1950 20 points on a circles

Source:

8/6/2019
* On a circle, 2020 points are chosen. Ten non-intersecting chords without mutual endpoints connect some of the points chosen. How many distinct such arrangements are there?
combinatoricscombinatorial geometrypoints