"In a triangulation of a regular n$n$-gon, there always exists a diagonal that divides the polygon into 2 small polygons and the smaller one has at least $O(n/3)\frac{n}{3})$ vertices."↵
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I saw this property in the NEERC 2014's editorial but still cannot prove it. Can anyone help me? Thank you!
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I saw this property in the NEERC 2014's editorial but still cannot prove it. Can anyone help me? Thank you!
