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IMO 1990 — Shortlisted problems Question 16

IMO Shortlist · IMO 1990 — Shortlisted problems

Question 16

(NET 1) IMO6 Is there a 1990-gon with the following properties (i) and (ii)?
(i) All angles are equal;
(ii) The lengths of the 1990 sides are a permutation of the numbers $1^2,2^2,\ldots,1989^2,1990^2$.