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[창의 퍼즐] 원의 넓이 최대 최소
sicma 2019.12.15 10:20 조회 1158
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

사진이 90°돌아가서 죄송해요

이 문제 어떠셨나요?

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  •  
    K→C≡N Lv.11 2019.12.15 15:57

    그림이 작아서 안보여요

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  •  
    sicma Lv.11 2019.12.15 17:44

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    원 두개가 겹쳐져 있는 상태이고

    원A라는 원은 원의 크기가 고정되있습니다 반지름 n으로요.

    그리고 원B라는 원은 자유롭게 크기조절이 가능하고요. 하지만 원B는 원A의 중심과 원A와의 교정이 꼭 생겨야함

    그럼 이때 원 A와 원 B가 겹치는 넓이를 S라하자.

    그러면 S의 최소 넓이와 최대 넓이를 구하시오.

    (최소 넓이\leq S<최대 넓이){이런 식입니다.}

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  •  
    해결
    code Lv.5 2019.12.15 20:02 비밀댓글

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    비밀 댓글이 등록 되었습니다.
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    •  
      sicma Lv.11 2019.12.15 20:57 비밀댓글
      비밀 댓글이 등록 되었습니다!
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