题型:单选题
难度:0.65
引用次数:438
题号:13020071
如图,在
中,点O是边
和
的垂直平分线
、
的交点,若
,则这两条垂直平分线相交所成锐角
的度数为( )
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712407731822592/2716811687665664/STEM/9fad2030-625e-4dc2-8300-d8613b05f3f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/def67a95ed04c24c9870434c35d21172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712407731822592/2716811687665664/STEM/9fad2030-625e-4dc2-8300-d8613b05f3f8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2021-05-08 20:30:26
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【推荐1】如图,在
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【推荐2】如图,在△ABC中,BC>AB>AC.甲、乙两人想在BC上取一点P,使得∠APC=2∠ABC,其作法如下:
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(乙)以B为圆心,AB长为半径画弧,交BC于P点,则P即为所求.
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/11/f5a82ed9-6fc1-49ae-af8a-34d73b32dd62.jpg?resizew=164)
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