如图,四边形
是
的内接四边形,
,对角线
、
相交于点
,
是直径,
于点
,
.若
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e735a28578ba191da6d4f3b0f8e8729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d3f8b5c2dba20d42a8c551cd75a38fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14833dbeed409b33acd4c9071fd0be36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce629f210d757b89a726d2ae851f9ed6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c737515c2692c1c0fac094efdad9fc20.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2024-05-11 15:41:06
|
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单选题
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(0.4)
【推荐1】如图,
内接于半径是4的圆,
,优弧
是劣弧
的2倍,则
的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/31/dcdf9dd3-e065-4bf0-bbf1-76578e6e9bea.png?resizew=168)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667349d99185bb045030b733352ff7fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/31/dcdf9dd3-e065-4bf0-bbf1-76578e6e9bea.png?resizew=168)
A.![]() | B.8 | C.![]() | D.![]() |
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【推荐2】如图,
内接于
,
,
,垂足为
,
,
.则
的长( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/17/e0c34176-c96c-406d-86b7-480727c3b76c.png?resizew=103)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f81e24376a13d648c2ed0dc73bc710e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/454328a8e75953fdb0835ce80d9566e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49437f474e5805688dff21ded2d1fd7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/17/e0c34176-c96c-406d-86b7-480727c3b76c.png?resizew=103)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐1】如图,已知:点A、B、C、D在⊙O上,AB=CD,下列结论:①∠AOC=∠BOD;②∠BOD=2∠BAD;③AC=BD;④∠CAB=∠BDC;⑤∠CAO+∠CDO=180°.其中正确的个数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/25/9d00849b-5680-498f-92e1-411c3484325b.png?resizew=151)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/25/9d00849b-5680-498f-92e1-411c3484325b.png?resizew=151)
A.2 | B.3 | C.4 | D.5 |
您最近一年使用:0次
单选题
|
较难
(0.4)
【推荐2】如图,
内接于半径是4的圆,
,优弧
是劣弧
的2倍,则
的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/31/dcdf9dd3-e065-4bf0-bbf1-76578e6e9bea.png?resizew=168)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667349d99185bb045030b733352ff7fd.png)
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A.![]() | B.8 | C.![]() | D.![]() |
您最近一年使用:0次
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|
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名校
【推荐1】如图,在正方形
中,对角线
相交于点O,E是边
的中点,连接
,分别交
于点P,Q,将AP绕点P逆时针旋转90°交
的延长线于点F.下列结论:①
;②
;③若三角形
的面积为4,则正方形
的面积为18;④
.其中结论正确的序号有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/31/1f3efaed-2363-4f40-952b-954d0cdb3419.png?resizew=172)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2d3ea3bdfca7111b823bb1c381a0f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c6e71a49b84b4764dc11982251457e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef5168335544ab74e8107b46ab5b7ec6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
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您最近一年使用:0次
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【推荐2】如图,等边
的顶点A,B都在
上,点O在
内.延长BC,AC分别交
于D,E两点,点O绕着点C顺时针旋转
后恰好落在线段AD的点F处,若
,则AE的长为( )
![](https://img.xkw.com/dksih/QBM/2020/12/19/2617558930620416/2618436919746560/STEM/5c25c18d-70ee-463e-92fc-4de69a286f0f.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85bdcc2742be52cc80ba7dbe79f9a574.png)
![](https://img.xkw.com/dksih/QBM/2020/12/19/2617558930620416/2618436919746560/STEM/5c25c18d-70ee-463e-92fc-4de69a286f0f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐1】把两个全等的等腰直角三角形透明纸片
如图1放置(点
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绕点
在平面内旋转,
分别交边
于点
(点
均不与点
重合).设
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与
的函数关系图象如图2所示,则下列结论中正确的是( )
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【推荐2】如图,射线
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A.1 | B.![]() | C.![]() | D.不存在 |
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