수학동아 - 폴리매스

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함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] 증명2

집돌이 페렐만 2020.04.11 03:38 조회 564

문제 푼 사람 0명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

선분 ab와 선분 bc의 길이가 같은 삼각형 abc의 밑변 bc 위의 임의의 한 점 P에서 선분 PD와 선분 ab가 평행하고 선분 PE와 선분 ac와 평행하게 점 D와 점 E를 정했을 때

선분 PD와 선분 PE의 길이의 합이 선분 AB임을 증명하시오.

이전글 증명 1

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닐스보어gs Lv.2 2020.04.11 22:51

성립하지 않는데요

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