如图,
为
的直径,
为
上一点,过点
的切线交
的延长线于点
,若
,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/1/a015810b-275a-4deb-8e2a-016c430f1db3.png?resizew=164)
![](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/8455657dde27aabe6adb7b188e031c11.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68e744f480e11f588570c5d6738799f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5157b42da58d55daad27d98b2fec15ff.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/1/a015810b-275a-4deb-8e2a-016c430f1db3.png?resizew=164)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2022-06-15 15:31:07
|
相似题推荐
单选题
|
适中
(0.65)
名校
【推荐1】如图,在Rt△ACB中,∠BAC=90°,AD⊥BC,垂足为D,△ABD与△ADB′关于直线AD对称,若∠B′AC=14°,则∠B的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/23/2a22f438-b977-4db9-8d6b-fa30737f24ff.png?resizew=160)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/23/2a22f438-b977-4db9-8d6b-fa30737f24ff.png?resizew=160)
A.38° | B.48° | C.50° | D.52° |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图,在
中,
,
,
,
平分
交
于点
,
交
于点
,下列结论不成立 的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/22/54a24b0e-a7a5-4c0c-aaab-bf5789e81013.png?resizew=179)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8e9ec412ea0355e4e5cd06c60e5fee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2210667551fb4df6c33f305d6ba249df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a24ee04b7e461c045431ce83d15a91de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/22/54a24b0e-a7a5-4c0c-aaab-bf5789e81013.png?resizew=179)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】下列命题中假命题的是( )
A.两直线平行,内错角相等 |
B.三角形的一个外角大于任何一个内角 |
C.如果a∥b,b∥c,那么a∥c |
D.过直线外一点有且只有一条直线与这条直线平行 |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】如图,把△ABC纸片沿DE折叠,当点A在四边形BCDE的外部时,记∠AEB为∠1,∠ADC为∠2,则∠A、∠1与∠2的数量关系,结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/15/e72c1a9a-d5c6-42c3-bd6a-0233eed56ba2.png?resizew=237)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/15/e72c1a9a-d5c6-42c3-bd6a-0233eed56ba2.png?resizew=237)
A.∠1=∠2+∠A | B.∠1=2∠A+∠2 |
C.∠1=2∠2+2∠A | D.2∠1=∠2+∠A |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐1】如图,在扇形
中,D为弧
上的点,连接
并延长与
的延长线交于点C,若
,
,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/19/aaa95cfa-da09-47eb-b335-3c18c5fd6f69.png?resizew=168)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/970cff8f26c009cc869e63e44334bd2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d4eafd4a163326dd4980c21b8cd5305.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3a037c23a11c7783b1b44988c21634f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/19/aaa95cfa-da09-47eb-b335-3c18c5fd6f69.png?resizew=168)
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,
,点
在
上(不与
、
重合),将
沿直线
折叠得到
,连结
和
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb01d2b57580731c8b807ac8cffc8ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca2698f08d94afa1cd5b81444791f4c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95ee1c8b8f17e6adfe29201544ee304c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】如图,在△AOB中,∠AOB=90°,OB=3,半径为1的⊙O与OB交于点C,且AB与⊙O相切,过点C作CD⊥OB交AB于点D,点M是边OA上动点.则△MCD周长最小值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/30/0fefcb2c-7325-4e12-9b17-1ee91e6eec2d.png?resizew=197)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/30/0fefcb2c-7325-4e12-9b17-1ee91e6eec2d.png?resizew=197)
A.2![]() | B.![]() | C.![]() ![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】如图,在矩形
中,
,
是边
上一点,且
.已知
经过点
,与边
所在直线相切于点
(
为锐角),与边
所在直线交于另一点
,且
,当边
或
所在的直线与
相切时,
的长是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ee826937d2add7a93aaa1422f8b736.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b2d92db4e943e5c03afe3a0304b083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e3e203f1f9f5eccd69f4a95f211f07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7adab9dbd99f5c14cadbed72a282f5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/19/da6ecd35-90b1-499d-bf31-f301ca4c0e55.png?resizew=175)
A.1或3 | B.4或![]() | C.![]() ![]() | D.4或12 |
您最近一年使用:0次