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2023 Fall LMT Speed p11 - angle in regular 13-gon

Source:

March 2, 2024
geometry

Problem Statement

Let LEXINGT1ONMAT2HLEX INGT_1ONMAT_2H be a regular 1313-gon. Find ∠LMT1\angle LMT_1, in degrees.
Proposed by Edwin Zhao
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