수학동아 - 폴리매스

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함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] 여덟개의 점

△π 2020.04.04 18:16 조회 458

문제 푼 사람 0명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

원에 내접하는 사각형 ABCD의 대각선 AC, BD가 서로 수직이고, 점 P에서 만난다. P에서 AB, BC, CD, DA에 내린 수선의 발을 E,F,G,H라 하고, AB, BC, CD, DA의 정즘을 각각 K, L, M, N이라 하면, E,F,G,H,K,L,M,N은 한 원 위에 있음을 보여라.

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