MathDB
Prove that this hexagon can be covered by a triangle with perimeter at most $3$.

Source: Caucasus MO 2023

July 16, 2023
geometry

Problem Statement

In a convex hexagon the value of each angle is 120∘120^{\circ}. The perimeter of the hexagon equals 22. Prove that this hexagon can be covered by a triangle with perimeter at most 33.