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Function: require_once

수학동아 - 폴리매스
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함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] [기하]중점과 삼등분점
△π 2020.05.02 18:52 조회 678
문제 푼 사람 2명
공유하기
페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

삼각형 ABC에서, D,E,F는 CA, AB, BC의 중점이고, H,G,I,J,K,L은 각각의 삼등분점이다. HF, DL의 교점을 N, GE, DI의 교점을 O, EK과 FJ의 교점을 P라 할 때,

육각형 NDOEPF의 넓이는 삼각형 ABC의 넓이의 몇배인가?

이 문제 어떠셨나요?

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  •  
    sicma Lv.11 2020.05.02 22:46 비밀댓글
    비밀 댓글이 등록 되었습니다.
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    •  
      △π Lv.9 2020.05.02 22:55 비밀댓글
      비밀 댓글이 등록 되었습니다!
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    해결
    내손안의흑염소 Lv.4 2020.05.03 01:59 비밀댓글
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  •  
    닮은살걀 Lv.4 2020.05.03 04:29

    비밀 댓글이 등록 되었습니다.

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    •  
      △π Lv.9 2020.05.03 04:33

      비밀 댓글이 등록 되었습니다!

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  •  
    해결
    sicma Lv.11 2020.11.14 09:27 비밀댓글
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    •  
      △π Lv.9 2020.11.14 09:29

      6개월 12일만에 해결!

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