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1 . 如图所示,在边长为3的等边三角形
中,
,且点
在以
的中点
为圆心,
为半径的半圆上,若
,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/27/90c7201a-a46d-444c-aaba-96a943e3005b.png?resizew=142)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a81889370d45239939a36de53c4445d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f95d146bdcc8ac0a256c12696e9b9826.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/27/90c7201a-a46d-444c-aaba-96a943e3005b.png?resizew=142)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() |
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2023-02-22更新
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3卷引用:山西省晋城一中教育集团南岭爱物学校2023届高三下学期2月月考数学试题