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수학동아 - 폴리매스
본문바로가기
함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] 도형분할[기하]
우럭 2020.10.21 19:09 조회 557
문제 푼 사람 0명
공유하기
페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

사각형(아무 사각형)ABCD가 있다.

선분 AB의 삼등분점을 E, F

선분 BC의 삼등분점을 G, H

선분 CD의 삼등분점을 I, J

선분 DA의 삼등분점을 K,L

이라고 하자.

이 떄, 각각 대응하는 삼등분점으로 이어

이 사각형을 분할 했을 때, 분할된 9개중 가장 가운데의 넓이는

전체의 몇% 일까? 쓰고, 증명하시오.

이 문제 어떠셨나요?

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  •  
    △π Lv.9 2020.10.22 16:49

    이거 고-전 문제죠

    댓글 작성하기 좋아요0 댓글수1
    •  
      mwryan Lv.6 2020.10.23 01:46

      고오--전

      좋아요0
  •  
    다시 도전
    원파 Lv.9 2021.01.23 09:55 비밀댓글
    비밀 댓글이 등록 되었습니다.
    댓글 작성하기 댓글수1
    •  
      우럭 Lv.9 2021.01.24 02:12

      증명하라고

      좋아요0
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