如图,△ABC内接于⊙O,AB是⊙O的直径,I是△ABC内一点,AI的延长线交BC于点D,交⊙0于点E,连接BE,BI,若IB平分∠ABC,EB=EI.
![](https://img.xkw.com/dksih/QBM/2022/4/20/2962091039555584/2963629358407680/STEM/635423bd-688b-4e8b-8b67-6413e30a59b6.png?resizew=169)
(1)求证:AE平分∠BAC;
(2)若BD=
,OI⊥AD于点I,求BE的长.
![](https://img.xkw.com/dksih/QBM/2022/4/20/2962091039555584/2963629358407680/STEM/635423bd-688b-4e8b-8b67-6413e30a59b6.png?resizew=169)
(1)求证:AE平分∠BAC;
(2)若BD=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
更新时间:2022-04-22 13:42:16
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解答题-证明题
|
适中
(0.65)
【推荐1】如图,已知
内接于
,
是⊙O的直径,连接
,
,
平分
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/3/3bf68a0b-44a3-47ab-bfeb-dc62746ce88d.png?resizew=118)
(1)求证
;
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(1)求证
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc3fb27803d7ee3d3a97781858f7d37.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267ace52b64e1e7dfc5211e033255b7d.png)
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解答题-证明题
|
适中
(0.65)
【推荐2】如图,
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(2)若
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您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐1】如图,四边形
内接于
,对角线
,
交于点
,过点
作
的切线
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
,
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(1)求证:
;
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
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(2)求
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解答题-问答题
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适中
(0.65)
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您最近一年使用:0次