已知
,过点
作射线
,且
,则
的度数为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c54276d36db232bc3ae6327f757241c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6131160eaee962470abc7771df265c6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22df2977de56cc69be0c1e847653d7a.png)
更新时间:2019-02-16 16:22:52
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【推荐1】如图,O为直线AB上一点,∠COB=29°30′,则∠1=_____ .
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/12/0b44dba7-fcae-4a20-b7da-cf71d038c110.jpg?resizew=158)
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【推荐2】如图,已知
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a1355d96e31c41efe988488c0a461d0.png)
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【推荐1】如图,已知直线
,
相交于点
,
于
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc310194575262fb45352c2fbc19868.png)
____ °,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5324ce5fd43c5b05e8fad764880f7b3.png)
__________ °,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530691ab381ab7f63a9c28cf52abc80a.png)
__________ °.
![](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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23162d8d2a833da1843f0442a2534be4.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc310194575262fb45352c2fbc19868.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5324ce5fd43c5b05e8fad764880f7b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530691ab381ab7f63a9c28cf52abc80a.png)
![](https://img.xkw.com/dksih/QBM/2020/5/24/2469675400863744/2470473304391680/STEM/16c7c66f7ac24a31b6f2a8082d78b735.png?resizew=209)
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