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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.

Slični zadaci

#NaslovOznakeRj.KvalitetaTežina
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1159IMO Shortlist 1961 problem 61
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