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[기하] 이야기로 배우는 사각형의 성질
수학동아 2018.12.27 23:58 조회 1371
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연을 하늘 높이 띄우는 연날리기와 상대의 연줄을 끊어 버리는 연싸움은 모두 우리 고유의 민속놀이다. 그런데 연은 놀이뿐만 아니라 전투 중에도 사용되곤 했다. 이번 호에서는 전투 중에 사용된 전술신호연에 대해 살펴보고, 대다수 연 모양의 바탕이 되는 사각형의 종류와 성질에 대해서도 함께 알아보자.

태그
#전술신호연 #이순신장군 #이봉산연 #노량해전 #사각형의종류 #사다리꼴 #평행사변형 #직사각형 #마름모 #정사각형
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