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Function: get_footer

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Function: require_once

수학동아 - 폴리매스
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[기하] 이야기로 배우는 삼각형의 무게중심
수학동아 2018.12.27 23:59 조회 1533
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외나무다리를 건널 때면 몸이 흔들거린다. 한발 한발 앞으로 내디딜 때마다 무게중심이 이동하기 때문이다. 특히 긴 줄 위에서 묘기 부리는 사람을 보고 있으면 아슬아슬하기까지 하다. 조선시대에는 전문적으로 이런 묘기를 부리는 무리가 있었다고 한다. 이를 통해 삼각형의 무게중심에 대해 알아 보자.

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#무게중심 #남사당놀이패 #살판 #어름 #접시돌리기 #외줄타기
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