如图,已知OM平分∠AOC,ON平分∠BOC,∠AOB=90°,∠BOC=30°.求:
(1)∠MON的度数;
(2)如果∠AOB=
,试求∠MON的度数.
(1)∠MON的度数;
(2)如果∠AOB=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://img.xkw.com/dksih/QBM/2021/10/21/2834186939686912/2836799870951424/STEM/3063f88a-d0e8-47aa-9395-66c12e847634.png?resizew=172)
更新时间:2021-10-25 09:07:01
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解答题-问答题
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容易
(0.94)
【推荐1】 如图:在平行四边形
中,
的平分线
交
于
,若
,
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/4/a13f89fb-9465-4ca2-9858-0d6f967c8466.png?resizew=159)
您最近一年使用:0次
解答题-问答题
|
容易
(0.94)
【推荐2】把两个三角尺按如图所示那样拼在一起(三角尺分别含
角,点A、C、D在一条直线上)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/24/04df743c-6675-4956-a142-6f53fec3c25a.png?resizew=140)
(1)求
的度数;
(2)若
是
的平分线,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a69231a142c187f26dc4c0e82d8ad24.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/24/04df743c-6675-4956-a142-6f53fec3c25a.png?resizew=140)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86a2db6311e228ed33b6c71d0a5918cf.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db866ecc0c098bfc32ec8a43b65bdd58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb3748300134501953d6b1c3a905026.png)
您最近一年使用:0次