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[창의 퍼즐] 원의 넓이
21세기오일러 2019.11.21 05:56 조회 596
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

삼각형 abc이 외접하는 원이 있습니다. 삼각형 abc는 직각삼각형이고  각 abc의 크기가 90도, 각 bca의 크기가 60도 이며 변 bc의 길이가 3cm일때 원의 넓이-삼각형의 넓이는 몇일까요? (풀이 필수)

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    ㄱㄴㄷ✅ Lv.6 2019.11.22 07:51 비밀댓글
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    sicma Lv.11 2019.12.31 23:21 비밀댓글

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      sicma Lv.11 2019.12.31 23:23 비밀댓글
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    sicma Lv.11 2019.12.31 23:28 비밀댓글
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    sicma Lv.11 2019.12.31 23:49 비밀댓글
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      21세기오일러 Lv.11 2019.12.31 23:52 비밀댓글
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    sicma Lv.11 2019.12.31 23:55 비밀댓글
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    GUN.007 Lv.11 2020.01.11 05:58 비밀댓글
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