算出下面各个未知角的度数。
![](https://img.xkw.com/dksih/QBM/2020/4/16/2442718113103872/2444799079079936/STEM/63c40f4b0516460c90c1377803f1781e.png?resizew=153)
________ ![](https://img.xkw.com/dksih/QBM/2020/4/16/2442718113103872/2444799079079936/STEM/bc692146a29746f68e9390935e5a2d6e.png?resizew=241)
________
![](https://img.xkw.com/dksih/QBM/2020/4/16/2442718113103872/2444799079079936/STEM/e5b5d669ec2744f9bfafcc79a4130982.png?resizew=137)
________ ![](https://img.xkw.com/dksih/QBM/2020/4/16/2442718113103872/2444799079079936/STEM/d74ce75db1494ea397ce206527e359e4.png?resizew=184)
________
![](https://img.xkw.com/dksih/QBM/2020/4/16/2442718113103872/2444799079079936/STEM/63c40f4b0516460c90c1377803f1781e.png?resizew=153)
![](https://img.xkw.com/dksih/QBM/2020/4/16/2442718113103872/2444799079079936/STEM/bc692146a29746f68e9390935e5a2d6e.png?resizew=241)
![](https://img.xkw.com/dksih/QBM/2020/4/16/2442718113103872/2444799079079936/STEM/e5b5d669ec2744f9bfafcc79a4130982.png?resizew=137)
![](https://img.xkw.com/dksih/QBM/2020/4/16/2442718113103872/2444799079079936/STEM/d74ce75db1494ea397ce206527e359e4.png?resizew=184)
更新时间:2020-04-19 12:59:22
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