MathDB

4

Part of 1999 Greece National Olympiad

Problems(1)

Dividing the circle with segments connecting n points

Source: Greece MO 1999

5/27/2011
On a circle are given n≥3n\ge 3 points. At most, how many parts can the segments with the endpoints at these nn points divide the interior of the circle into?
combinatorics proposedcombinatorics