IMO Shortlist 1990 problem 16


Kvaliteta:
  Avg: 0,0
Težina:
  Avg: 0,0
Dodao/la: arhiva
2. travnja 2012.
LaTeX PDF
Prove that there exists a convex 1990-gon with the following two properties :

a.) All angles are equal.
b.) The lengths of the 1990 sides are the numbers 1^2, 2^2, 3^2, \cdots, 1990^2 in some order.
Izvor: Međunarodna matematička olimpijada, shortlist 1990