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Function: get_footer

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Function: require_once

수학동아 - 폴리매스
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[창의 퍼즐] P가 오심중 하나!
△π 2020.04.04 22:16 조회 432
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

주어진 삼각형 ABC와 오심 중 하나인 점 P가 있다. 이 때, P를 지나는 임의의 직선이 직선 AB, AC와 만나는 점을 각각 M, N이라 할 때, AM의 길이와 AN의 길이의 관계식을 P의 경우 5개(외심, 내심, 무게중심, 수심, A에 대한 방심)를 구하여라. (무게중심은 자명하므로 다른 4개중 하나당 해결 하나!, 무게중심만 했을 경우 부분해결!)

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