Bosnia and Herzegovina TST 2003 Day 2 Problem 2
Source: Bosnia and Herzegovina Team Selection Test 2003
September 18, 2018
polygonquadrilateralcombinatorial geometrycombinatorics
Problem Statement
It is given regular polygon with sides and center . Consider every quadrilateral with vertices as vertices of polygon. Let be number of such quadrilaterals which contain point inside and number of remaining quadrilaterals. Find