如图,
,点
是
上一点,点
是
上一点,
平分
,且
,则
的度数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73f68e4414c9ab464bf433385c03705f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce74c900d7c109839b0e8bc2b49466f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7d6902c8862bd2616be038549f77aff.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-05-17 07:51:33
|
相似题推荐
单选题
|
适中
(0.65)
【推荐1】如图,∠AOB=
∠BOD,OC平分∠AOD,下列四个等式中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/24/e450bf97-eeaa-4f00-9010-0407cb6eb9c3.png?resizew=119)
①∠BOC=
∠AOB;②∠DOC=2∠BOC;③∠COB=
∠BOA;④∠COD=3∠COB.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/24/e450bf97-eeaa-4f00-9010-0407cb6eb9c3.png?resizew=119)
①∠BOC=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
A.①② | B.②③ | C.③④ | D.①④ |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】五边形
中,
,如图,
、
分别平分
、
,则
( )
![](https://img.xkw.com/dksih/QBM/2020/11/14/2592745937182720/2594099604791296/STEM/bf113f6243d84899bf76cf99dc7fc625.png?resizew=141)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9142a8490de14a87eda628ffa7e28982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a33bc706cbc8a16f27c5397bdc9b8be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd17a66a2af938c89e46f22e4d893b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/836ea820cf3732508cdd332ceb9395ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/727ad3e630a224303d6d3b8ad5c114ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b6fede7d2da3ccecf3f9d32a10346c3.png)
![](https://img.xkw.com/dksih/QBM/2020/11/14/2592745937182720/2594099604791296/STEM/bf113f6243d84899bf76cf99dc7fc625.png?resizew=141)
A.45° | B.60° | C.90° | D.120° |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】如图,∠1=∠2,∠3=75°,则∠4的度数为( )
![](https://img.xkw.com/dksih/QBM/2019/1/27/2127651922231296/2131839557156864/STEM/338796e9f97c4bf6bcf77b1af78e4595.png?resizew=106)
![](https://img.xkw.com/dksih/QBM/2019/1/27/2127651922231296/2131839557156864/STEM/338796e9f97c4bf6bcf77b1af78e4595.png?resizew=106)
A.75° | B.70° | C.60° | D.50° |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】将一副三角板如下图放置,使点
落在
上,若
,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/2020/4/15/2448427234705408/2449863565303808/STEM/49fc146e1ccc476096b34da6842717d5.png?resizew=235)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2f3d75dcd6a50e517070f191d036928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ed24d7acba0b3a7ebf4d520296424a3.png)
![](https://img.xkw.com/dksih/QBM/2020/4/15/2448427234705408/2449863565303808/STEM/49fc146e1ccc476096b34da6842717d5.png?resizew=235)
A.90° | B.75° | C.105° | D.120° |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】①如图1,
,则
;
②如图2.
,则
;
③如图3,
,则
;
④如图4.
,则
.
以上结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf0ed30110cbd59d54268a76ddee8cd.png)
②如图2.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e148b03cac3d5410457cc3774567ba3.png)
③如图3,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed87693db5ff6c97743b754fe2144562.png)
④如图4.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ac77eb5d5fb1bae406e44cf5bd81b2.png)
以上结论正确的是( )
A.①②③④ | B.①②③ | C.②③④ | D.②④ |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】把一块直尺与一块含
的直角三角板如图放置,若
,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/2021/3/8/2673446815514624/2673549663068160/STEM/0118cc7f-fbdc-488c-b6f9-0c728bf1f989.png?resizew=162)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1aeba4b3056fae1f42105ae05f58f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
![](https://img.xkw.com/dksih/QBM/2021/3/8/2673446815514624/2673549663068160/STEM/0118cc7f-fbdc-488c-b6f9-0c728bf1f989.png?resizew=162)
A.![]() | B.![]() | C.![]() | D.124° |
您最近一年使用:0次