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수학동아 - 폴리매스
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함께 풀고 싶은 문제
나도 수학쌤 문장제 문제를 변형해 문제를 내는 곳입니다.
[문장제 문제&개념응용] [기하] 난이도: (제기준) 상
짱수학천재 2021.09.07 04:29 조회 304
문제 푼 사람 0명
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

각 C가 60도이고 AC=48, BC=30인 삼각형 ABC 의 내심을 I, 외심을 I라 하자. 직선 IO와 변 AC의 교점을 D라 할때, DI^{2}의 값을 구하여라.

 

이 문제 어떠셨나요?

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  •  
    Amath Lv.8 2021.09.07 23:48

    어... 문제 사진을 연애인(?) 사진 같은 걸로 하지 말아주시면 좋겠네요. 싫다고 해도 해 달라고 하진 않을 건데, 폴리매스 함풀문이 연애인 사진들로 가득 차 있다고 생각해 보세요. 

    댓글 작성하기 좋아요0 댓글수2
    •  
      짱수학천재 Lv.7 2021.09.09 09:34

      넵 죄송합니다

      좋아요0
    •  
      피카파이 Lv.8 2021.09.09 19:33

      아 저도 약간 극혐(?) 왔어요.

       

      좋아요0
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