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수학동아 - 폴리매스
함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] 수동이와 지현이의 당구 내기 2
디듀우
2019.12.02 20:59
조회 666
전편을 봐주세요->http://www.polymath.co.kr/mathfun/4204
수동이와 지현이는 당구를 하다가 당구대를 바꾸었다. 나머지 조건은 전과 같은 상황에서, 당구대의 모양을 각 변의 길이가 l인 정n각형으로만 바꾸었다. 당구공의 처음 위치는 정다각형의 무게중심으로 한다. 이때 위 문제의 (a)와 (b)를 풀어라.
그림은 요청시 올려드려요~
지금 바로
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