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수학동아 - 폴리매스
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[창의 퍼즐] 1-2 1단원 6번:차원과 도형의 확장(1단원 마지막)
K→C≡N 2019.11.29 02:06 조회 734
문제 푼 사람 0명
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

1-2:1학년 2학기

1단원:차원의 이해

<문제 6>

2차원 원을 3차원으로 확장시키면 구가 된다.

그렇다면 정n각형을 3차원으로 확장시키면 무엇이 되는가?

그리고 정n면체를 4차원으로 확장시키면 무엇이 되는가?

이 문제 어떠셨나요?

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  •  
    디듀우 Lv.7 2019.11.29 04:47

    확장을 어떻게 정의합니까? 회전체입니까? 모든 방향에서 그 도형으로 보여야 합니까? 아니면 다른 수학적 의미를 갖습니까?

    댓글 작성하기 좋아요0 댓글수1
    •  
      K→C≡N Lv.11 2019.11.29 05:29

      정삼각형이 정사면체가 되는 원리, 정사각형이 정육면체가 되는 원리입니다.

      좋아요0
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