如图,在
中,
,点D是
外一点,连接
,且
交
于点O,在
上取一点E,使得
,若
,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/2022/12/9/3126935821983744/3128690548916224/STEM/110fb93f35d24efbb8bb30b4c2e63b87.png?resizew=155)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ad037d6d1bddf8930944fd93b5a551b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1c0582b9641c94b519cc51901cbe2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.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/7cfc14b76a5be92def58584aa0b17627.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e096a9f3fd3f8be00f036e2cadb4d832.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a72dfbf0138a611174c36ce077e0c47.png)
![](https://img.xkw.com/dksih/QBM/2022/12/9/3126935821983744/3128690548916224/STEM/110fb93f35d24efbb8bb30b4c2e63b87.png?resizew=155)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2022-12-11 18:40:07
|
相似题推荐
单选题
|
适中
(0.65)
【推荐1】如图,
是
的直径,弦
,连接
并延长交
于点
,连接
交
于点
,若
,则
的度数是( )
![](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/8b757f0c42ae5c9a2d6a4b19e5877b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a122e25cf4eb9f03ffe5ec823bfc31.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/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e10d11285831dee8e66a1d75d56aa57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c19410c7abeae002ca97cfad4c791f.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,在等腰
中,
,
.在边
上任取一点
,延长
到
,使
,得到
;在边
上任取一点
,延长
到
,使
,得到
,
,按此做法继续下去,则
的度数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/16/92dbfcae-cf0a-4241-8283-207ccee3fed2.png?resizew=263)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd02097352a8633a842b59c90d75fff2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d2f4f68c51a803d2d285bda8e50364d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2741067c3950870b04f1ec533b00689.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afae98b92b64fdd2987d4f7dd01c4ada.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e18f13d3636213d0e8e7a567b2d13489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e5531913e2f170465d8df01795cd51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae5ac793d76ff485960493b6946cece.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/16/92dbfcae-cf0a-4241-8283-207ccee3fed2.png?resizew=263)
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△ABC中,D是BC边上的一点,且AB=AC=BD,那么图中∠1和∠2的数量关系是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/26/0d85b1e1-51d6-410a-aa5e-854e54373cca.png?resizew=170)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/26/0d85b1e1-51d6-410a-aa5e-854e54373cca.png?resizew=170)
A.∠1=2∠2 | B.180°+∠2=3∠1 |
C.180°-∠1=3∠2 | D.∠1+∠2 =90° |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图,在正方形
的外侧,作等边三角形
,则
为( )
![](https://img.xkw.com/dksih/QBM/2020/10/27/2579825210646528/2580580599308288/STEM/f2181166-f41c-48d7-a0d8-c9fbd22de802.png?resizew=145)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a32bd7a1b78b5a0ec562c4025aea8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb3de20ba8bda63c650ef571be155702.png)
![](https://img.xkw.com/dksih/QBM/2020/10/27/2579825210646528/2580580599308288/STEM/f2181166-f41c-48d7-a0d8-c9fbd22de802.png?resizew=145)
A.45° | B.25° | C.30° | D.40° |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】如图,
是
的高线,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.若![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】如图,在边长为1的正方形
中,点M,N分别在边
,
上运动,且
周长为2,给出下列说法:
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5beb6448ab4801ecc8458a57708558.png)
②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a8f670b1ddb7bf00741f14965e127e9.png)
③C点到
的距离恒为1
其中正确的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/98013a5042685a1db94249e70c62c09a.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5beb6448ab4801ecc8458a57708558.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a8f670b1ddb7bf00741f14965e127e9.png)
③C点到
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
其中正确的个数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/21/9a597c27-4af2-4a8e-82aa-f6268ca8cd06.png?resizew=109)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次