수학동아 - 폴리매스

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Function: require_once

단원 별 수행평가

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[기하] 3차원에도 황금비가 있다! 플라스틱 수

수학동아 2019.09.26 02:06 조회 1977

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

수학과 미술, 건축, 음악에서 아름다움의 상징으로 2000년 이상 자리매김한 황금비 1.61803…. 그런데 20세기 초에 3차원의 황금비를 나타내는 새로운 수가 등장했습니다. ‘플라스틱 수’라는 독특한 이름을 가진 수 1.32471…입니다. 이 수가 왜 3차원 황금비로 불리는지 알아볼까요?