수학동아 - 폴리매스

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함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] 벽에 기댄 책들

M09I 2020.01.21 17:08 조회 526

문제 푼 사람 0명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

1. 직사각형 책장에 책을 책장의 안의 벽에 기울여 놓았을 때 벽과 책, 바닥이 이루는 삼각형과 닮음인 삼각형을 직사각형 책장에 직선 하나만 그어 만드시오.

2. 벽과 책, 바닥이 이루는 삼각형의 빗변을 c, 밑변을 a, 옆변을 b라 했을때 1에서 만든 삼각형의 각 변의 길이를 구하시오.

이전글 소수가 낳은 소수

다음글 1초 계산법

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