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triangle split into 22 triangles with 22^o (2022 Novosibirsk Oral Geo Oly 9.5)

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September 3, 2023
geometrycombinatorial geometry

Problem Statement

Prove that any triangle can be divided into 2222 triangles, each of which has an angle of 22o22^o, and another 2323 triangles, each of which has an angle of 23o23^o.
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