如图,
AOB是一个平角,
AOC = 30°,
BOD = 60°, OM、 ON分别是
AOC、
BOD的平分线,则
MON的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/12/06a0cd6e-2d12-412b-a51d-1239c2d83890.png?resizew=256)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/665ffcdb7c57534dc184cc840471f2f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/665ffcdb7c57534dc184cc840471f2f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/665ffcdb7c57534dc184cc840471f2f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/665ffcdb7c57534dc184cc840471f2f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/665ffcdb7c57534dc184cc840471f2f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/665ffcdb7c57534dc184cc840471f2f5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/12/06a0cd6e-2d12-412b-a51d-1239c2d83890.png?resizew=256)
A.150 | B.135° | C.120° | D.45 ° |
更新时间:2022-07-11 19:08:56
|
相似题推荐
单选题
|
较易
(0.85)
【推荐1】如图,
.如果
,那么
的度数是( )
![](https://img.xkw.com/dksih/QBM/2022/4/13/2957146096672768/2958929481490432/STEM/5c452a62-a2f4-4306-bda9-a9990bc13cbf.png?resizew=240)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84c4dc2ae42b2e06fa5ac6d93178d64e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be5da5bdabb7a29cd800ecbfe78bfa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed66570f697459aba9daa2eaf9460bcb.png)
![](https://img.xkw.com/dksih/QBM/2022/4/13/2957146096672768/2958929481490432/STEM/5c452a62-a2f4-4306-bda9-a9990bc13cbf.png?resizew=240)
A.90° | B.118° | C.122° | D.155 |
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【推荐2】如图,两个直角
,
有公共顶点
,下列结论:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/6/e42fb1aa-fef8-4b25-ae97-cef56cec96e4.png?resizew=104)
①
;
②
是
的补角;
③若
平分
,则
平分
;
④
的平分线与
的平分线是同一条射线.
其中正确的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed66570f697459aba9daa2eaf9460bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/6/e42fb1aa-fef8-4b25-ae97-cef56cec96e4.png?resizew=104)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3da02b38bc1ab163a7471711b9b1427e.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e7b8a59f8d66176463f3d71f882a26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22df2977de56cc69be0c1e847653d7a.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed66570f697459aba9daa2eaf9460bcb.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e7b8a59f8d66176463f3d71f882a26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e1e2a60c37ebc303d4fc2bf3d6a234.png)
其中正确的个数是( )
A.4 | B.3 | C.2 | D.1 |
您最近一年使用:0次
单选题
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较易
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【推荐1】如图,直线
与
相交于点
平分
,且
,则
为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/2/b9208226-84bd-4065-87f3-a7987a00aec9.png?resizew=155)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0282143bbaa70bfcb73c4d647df0f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fed1f57a835af4e9022e27603d12d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba0d2019be9688de9486d1ded60d7585.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22df2977de56cc69be0c1e847653d7a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/2/b9208226-84bd-4065-87f3-a7987a00aec9.png?resizew=155)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
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较易
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【推荐2】把一副三角板按如图所示方式拼在一起,作
的平分线
,则
的度数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/15/9eb6af75-76cc-421c-904e-16d96a492fdc.png?resizew=169)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cfc2771aa0d5b97d2297f8a26a6f6b1.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/15/9eb6af75-76cc-421c-904e-16d96a492fdc.png?resizew=169)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次