如图,是
的外接圆,弦
交
于点E,
,
,过点O作
于点F,延长
交
于点G,若
,
,则
的长为( )
A.![]() | B.![]() | C.13 | D.14 |
更新时间:2024-03-22 12:28:13
|
相似题推荐
单选题
|
适中
(0.65)
名校
【推荐1】如图,在菱形
中,
,
,以
为直径的圆
与
相切于点
,连接
交
于点
,则
的长是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dcdfc25779288cd0aff5dcc2602efa0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图,在菱形
中,
,
为对角线,
,
,则阴影部分的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3182db896bc2462331796e2a6108363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f945a69cf7e8213e50622125cde652f5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/13/c3da41c6-f986-433d-a19f-f0fc82e63ac8.png?resizew=154)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐1】如图,AB是⊙
的直径,线段DC是⊙
的弦,连接AC、OD,若
于点E,
,
,则阴影部分的面积为( )
![](https://img.xkw.com/dksih/QBM/2022/3/12/2934884289740800/2938070025322496/STEM/65e35390-55b9-4f02-9528-360730469653.png?resizew=191)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a11c1db76cc7e1894f74a50d71736455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aabecf66d94e4094f9cc46fd8ee050f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.png)
![](https://img.xkw.com/dksih/QBM/2022/3/12/2934884289740800/2938070025322496/STEM/65e35390-55b9-4f02-9528-360730469653.png?resizew=191)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图
的直径AB垂直弦CD于E,且
,
,则CD的长为( )
![](https://img.xkw.com/dksih/QBM/2020/1/6/2371110873088000/2371285473181696/STEM/8acd6e4f-6968-4e30-a879-9ec8c106cd98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d9eaad95e846f974ac20af43921eb2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://img.xkw.com/dksih/QBM/2020/1/6/2371110873088000/2371285473181696/STEM/8acd6e4f-6968-4e30-a879-9ec8c106cd98.png)
A.![]() | B.4 | C.![]() | D.8 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图,
是
的直径,
是
的切线,切点为点
,过点
的直线与
交于点
,则下列结论错误的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/11/2f48a8fc-e9bd-4bc5-85ac-2c9d58e9fd2d.png?resizew=200)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/11/2f48a8fc-e9bd-4bc5-85ac-2c9d58e9fd2d.png?resizew=200)
A.![]() |
B.如果![]() ![]() ![]() |
C.如果![]() ![]() ![]() |
D.如果![]() ![]() ![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】现给出以下几个命题:
长度相等的两条弧是等弧;
等弧所对的弦相等;
三点确定一个圆;
矩形的四个顶点必在同一个圆上;
三角形的外心到三角形的三边距离相等.其中真命题的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c650fe55b7603f106c53ca2423451c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82e415812cca9545611c0faa0c01b1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8b8edd94bc4d5d517ec77e56800e41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de7958890f35a4e42c700044a9c4c87.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】下列说法正确的是( )
A.相等的圆心角所对的弧相等 | B.三角形的内心到三角形三个顶点距离相等 |
C.等弧所对的弦相等 | D.圆的切线垂直于半径 |
您最近一年使用:0次