如图,在
中,
、
分别垂直平分
和
,垂足为
,
.且分别交
于点
,
.若
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a424b50eaeafa6f302ffd95476cb86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4c865445dda4a59b6d5cb18fd74404.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d200b5fe60b56efb0d1139bbf6c4309.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2024-04-02 22:05:47
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【推荐1】如图,在矩形ABCD中,AD=6,对角线AC与BD相交于点O,AE⊥BD,垂足为E,DE=3BE.求AE的长( )
![](https://img.xkw.com/dksih/QBM/2020/11/25/2600428508610560/2604804319207424/STEM/443639430de2438c82111d057a1d3fd7.png?resizew=136)
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【推荐2】如图,在
中,
,
,分别以点A、B为圆心,大于
的长为半径画弧,两弧分别交于F、G两点,连接F、G分别交于
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于D,连接
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的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d3c9ce32b721995f355eea411340e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d49404351575703cfe8325d1352ec9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
A.6 | B.![]() | C.9 | D.![]() |
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【推荐1】如图,在Rt△ABC中,∠C=90°,∠ABC=66°,△ABC绕点C旋转到△A′B′C的位置,顶点B在斜边A′B′上,A′C与AB相交于D,则∠BDC=( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/20/9cd8509c-ab34-4bdd-86a5-4d01daf13e19.png?resizew=190)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/20/9cd8509c-ab34-4bdd-86a5-4d01daf13e19.png?resizew=190)
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【推荐2】如图,△ABC中,AB=AC,∠ABC=70°,点O是△ABC的外心,则∠BOC的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/12/166941e9-1fea-4284-b33c-63eaa6b28926.png?resizew=120)
A.40° | B.60° | C.70° | D.80° |
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