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[창의 퍼즐] [기하] 험난한 학교가기
마리아 아녜시 2020.05.27 18:08 조회 833
문제 푼 사람 1명
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

마리아 아녜시는 학교를 가려고 아침 일찍 준비하였다. 그런데 마리아 아녜시의 학교는 집에서 10km가 떨어져 있기 때문에 아녜시는 빨리 채비를 하였다. 그런데 아녜시는 궁금증이 생겼다. "내가 사는 행성의 둘레는 얼마나 될까?" 참고로 마리아 아녜시가 사는 곳은 지구가 아닌 다른 행성이다. 아녜시는 곧바로 계산을 시작하였다. 아녜시의 집과 학교는 같은 경도상에 있고, 지금 해는 학교에서 수직으로 비추고 있어 학교의 그림자가 생기지 않았다. 또한 아녜시와 학교는 행성의 중심에 일직선을 이루고 있다. 지금 아녜시는 행성의 자전축, 즉 북극에서 살고 있고, 학교는 북위 60도에 위치한다. 아녜시가 살고 있는 행성의 반지름을 구하시오.

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    다시 도전
    매스파이 Lv.8 2020.05.27 18:30 비밀댓글

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    마리아 아녜시 Lv.7 2020.05.27 18:39 비밀댓글

    A PHP Error was encountered

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    다시 도전
    이과생 Lv.6 2020.05.27 19:14 비밀댓글

    A PHP Error was encountered

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    •  
      이과생 Lv.6 2020.05.27 19:15 비밀댓글
      비밀 댓글이 등록 되었습니다!
    •  
      마리아 아녜시 Lv.7 2020.05.27 19:16

      안보여요..

      좋아요0
    •  
      이과생 Lv.6 2020.05.27 19:17

      네 다시 올렸어요(계산실수)

      좋아요0
  •  
    해결
    이과생 Lv.6 2020.05.27 19:16 비밀댓글

    A PHP Error was encountered

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    Function: getLatexImg

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