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Function: require_once

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[기하] 나와라 수학! 팝업 북 속에 도형이?
수학동아 2022.06.15 20:11 조회 187
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

 

팝업 북은 2차원 종이를 펼치면 3차원 도형이 나오고 다시 접으면 원래대로 되돌아가는 책이에요.

 

이 원리를 이용해 삼각기둥, 삼각뿔 등 여러 가지 입체도형이 나오는 팝업 북을 만들 수 있지요.

 

다양한 입체도형의 전개도를 그려 팝업 북을 만들어 봅시다!

 

 

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