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Tri-2017-1388, incenter, general

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작성자: komath

라벨: center, general, problem, triangle

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<Tri-2024-2109>, hint Let M be the midpoint of arc BC, then A,I,M,E are collinear and M is the center of circle BIC <BIM=<IBM. ...
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Tri-2017-1388, incenter, general

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