已知直线
与直线
相交于点
,
,垂足为
.若
,则
的度数为____
.
![](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/caea4e41982e2c5fe0a0c7e73af69c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8973396699b91d84b8ccbd7b184ed85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7307ac7510cf35f74337d368b94da4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83873a9d782f2588c5eedbfe73f9bc2f.png)
![](https://img.xkw.com/dksih/QBM/2023/1/30/3164079992471552/3165507663872000/STEM/3674a30c424e4ecdab63503e1c8ad0e4.png?resizew=213)
更新时间:2023-02-01 19:04:44
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【推荐2】在相交线与平行线这一章节中我们学习了垂直的定义,仿照垂直的定义方法给出以下新定义:两条直线相交所形成的四个角中,如果有一个角是
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