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수학동아 - 폴리매스
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함께 풀고 싶은 문제
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[창의 퍼즐] [기하]접선의 교점의 중점
△π 2020.06.06 22:28 조회 684
문제 푼 사람 0명
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

(로고는 지나가던 사람님께서 만들어 주셨습니다!)

원 O의 지름이 아닌 현 AB가 있다. 점 A와 B에서의 원 O의 접선의 교점을 C라 하고 선분 AC와 BC의 중점을 각각 M,N이라 하자. 점 C를 지나고 원 O와 외접하는 원이  직선 MN과 두 점 P,Q에서 만날 때, 각 PCQ와 각 CAB가 같음을 보여라.

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    파스칼 Lv.7 2020.07.05 09:38 비밀댓글
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      △π Lv.9 2020.07.05 15:48 비밀댓글
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