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수학동아 - 폴리매스
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함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] 원의 방정식
아엘 2020.06.21 01:10 조회 1001
문제 푼 사람 0명
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

평면 위에 위 그림과 같이 점 O를 중심으로 하고, 반지름의 길이가 2루트10 (루트를 표현할 줄 몰라서요..) 인 원이 있다. 원 위의 두 점 A, C와 원의 내부의 점 B에 대하여 선분AB=8, 선분BC=4이고 각ABC=90도 일때, 선분OB의 길이를 구하여라.

이 문제 어떠셨나요?

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  •  
    아인수타인 Lv.12 2020.06.21 07:53 비밀댓글
    확인요청중
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    •  
      아인수타인 Lv.12 2020.06.21 07:53

      아 잠만 이거 무시해주세요. 이 다음 문제에 정답요청해야 했는데 왜 여기다 했지...

      좋아요0
    •  
      아엘 Lv.7 2020.06.21 08:17

      넵

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    파이파이 Lv.9 2020.06.24 18:04 비밀댓글
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