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수학동아 - 폴리매스
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[창의 퍼즐] []바닥에 바늘 던지기
sicma 2020.05.17 02:54 조회 795
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

바닥에 평행선을 무수히 많이 그려져있다.

(그릴때 간격이 일정해야하며 모든 직선은 다 평행하다.)

그 위에 바늘을 던질때 평행선위에 걸칠 확률은 얼마일까?

(바늘의 두께는 없다고 하고 바늘의 길이는 l이고 평행선 사이의 거리는 L이다.)

(풀이 필수 입니다.)

 

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    부분해결
    △π Lv.9 2020.05.17 03:35 비밀댓글
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      △π Lv.9 2020.05.17 03:35

      저런... 습관적으로 확인요청했네요ㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋ

      무시해주세요ㅋㅋㅋㅋㅋ

      좋아요0
    •  
      sicma Lv.11 2020.05.17 06:34 비밀댓글
      비밀 댓글이 등록 되었습니다!
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    GUN.007 Lv.11 2020.05.17 06:41 비밀댓글
    비밀 댓글이 등록 되었습니다.
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      sicma Lv.11 2020.05.17 06:42 비밀댓글
      비밀 댓글이 등록 되었습니다!
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