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Function: require_once

수학동아 - 폴리매스
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[창의 퍼즐] [기하] 발자국
infinitepi 2020.07.31 07:15 조회 610
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

코로나 생활방역을 위해 학교에는 1m 간격으로 발자국이 있다.

이때, 두 줄로 발자국이 있는데 두 줄은 평행하다.

두 줄을 겹치면 발자국은 모두 50cm 간격이 된다.

이때 다음을 구하여라.

 

(1) 두 줄을 겹쳤을 때 연속된 세 발자국으로 만들어진 삼각형이 정삼각형일 경우 두 줄간의 간격

(2) 두 줄간의 간격이 1m일 때 두 줄을 겹쳤을 때 연속된 두 발자국의 실제 거리

(풀이필수)

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