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by a ahmed
Mon Feb 20, 2017 4:14 pm
Forum: National Math Camp
Topic: National Camp 2016
Replies: 1
Views: 871

National Camp 2016

Let ABC be an arbitrary triangle. On the three sides of triangle ABC , three regular n-gons external to the triangle are drawn. Find all values of n for which the centers of the n-gons are vertices of an equilateral triangle.