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수학동아 - 폴리매스
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[기하] 이야기로 배우는 입체도형
수학동아 2018.12.27 20:33 조회 1399
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

 

고대 그리스의 수학자 아르키메데스가 알몸으로 목욕탕을 뛰쳐나오며 ‘유레카!’를 외친 유명한 일화가 있다. 물이 가득 차 있는 목욕탕에 몸을 담궜더니, 몸이 차지하는 부피만큼 같은 부피의 물이 넘쳐나는 원리를 발견했을 때의 일이다. 스토리텔링 교과서에서는 이런 아르키메데스의 일화를 통해 원뿔과 구, 원기둥 사이의 관계를 설명하고 있다. 아르키메데스와 함께 입체도형의 겉넓이와 부피에 대해 자세히 살펴보자.

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#아르키메데스 #다면체의부피 #구의겉넓이 #구의전개도
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