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Geometry is hard

Let \(ABCDE\) be a convex pentagon in which \(\angle A = \angle B = \angle C = \angle D = 120^\circ\) and side lengths are five consecutive integers in some order. Find all the possible values of \(AB + BC + CD\).

Note by Raj Mantri
3 months ago

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It's more #Discrete Mathematics than #Geometry. Rohit Camfar · 3 weeks, 2 days ago

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This is from INMO 2017 Ayush Rai · 2 months, 3 weeks ago

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@Ayush Rai Yes Raj Mantri · 2 months, 3 weeks ago

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