名校
1 . 如图,直线
,含
角的直角三角板ABC的直角顶点C在直线b上,若
,则∠2的度数为( )
![](https://img.xkw.com/dksih/QBM/2022/5/26/2987614546862080/2990801909940224/STEM/5d4ed06a-4a62-4368-b878-7a3945300721.png?resizew=198)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a4352562ae8aa968014fd0d931b677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a166225f9ada66c353e21ee2262d42c.png)
![](https://img.xkw.com/dksih/QBM/2022/5/26/2987614546862080/2990801909940224/STEM/5d4ed06a-4a62-4368-b878-7a3945300721.png?resizew=198)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-05-30更新
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298次组卷
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3卷引用:2021年新疆乌鲁木齐市新市区第九中学第三次模拟考试数学试题