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1 . 如图所示,在△ABC中,∠C=90°,EF∥AB,∠B=39°,则∠1的度数为( )
![](https://img.xkw.com/dksih/QBM/2018/6/21/1971996560760832/2009366601351168/STEM/08142ad0-d3f5-4c77-b18f-32e0381a5d1b.png?resizew=271)
![](https://img.xkw.com/dksih/QBM/2018/6/21/1971996560760832/2009366601351168/STEM/08142ad0-d3f5-4c77-b18f-32e0381a5d1b.png?resizew=271)
A.39° | B.51° | C.38° | D.52° |
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2018-08-13更新
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1039次组卷
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8卷引用:安徽省固镇县实验中学2019-2020学年八年级上学期第二次段考数学试题
安徽省固镇县实验中学2019-2020学年八年级上学期第二次段考数学试题河南省信阳市浉河区第九中学2018-2019学年八年级上学期期末数学试题人教版2020-2021学年数学八年级上学期11.2直角三角形的性质(已下线)2020-2021学年八年级数学上册《单元测试定心卷》(人教版)第十一章 三角形(基础过关)四川省乐山市峨边彝族自治县2021-2022学年九年级上学期期末数学试题2018秋沪科版八年级数学上册期末测试题 广东省汕尾市城区汕尾中学2022-2023学年七年级下学期期中数学试卷 (已下线)第05讲 直角三角形的性质与判定综合(知识解读+真题演练+课后巩固)-2023-2024学年八年级数学上册《知识解读·题型专练》(浙教版)
2 . 如图,已知直线AB∥CD,∠GEB的平分线EF交CD于点F,∠1=60°,则∠2等于( )
![](https://img.xkw.com/dksih/QBM/2018/7/15/1988821482938368/1990404844281856/STEM/a597dcaa4f344a6d990609fc9fd95914.png?resizew=120)
![](https://img.xkw.com/dksih/QBM/2018/7/15/1988821482938368/1990404844281856/STEM/a597dcaa4f344a6d990609fc9fd95914.png?resizew=120)
A.130° ![]() | B.140° ![]() | C.150° ![]() | D.160° |
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3 . 如图,直线
经过点
,
,
,
,则
等于( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/15/5a3f9ed8-ae3d-427c-8e07-ed93f1d833a5.png?resizew=212)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d021981c03e75b1a246d899dcc64656.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e00c13321f8d0da9c1a0db24d390bf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/996e26c24837cd894113093bf3ff2931.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/15/5a3f9ed8-ae3d-427c-8e07-ed93f1d833a5.png?resizew=212)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 如图,a∥b,∠1=110°,∠3=40°,则∠2=_____ °.
![](https://img.xkw.com/dksih/QBM/2019/6/11/2223143600390144/2227395313033216/STEM/9cbc92ff4b6a4939b467ec93daa8fdc8.png?resizew=131)
您最近一年使用:0次
2018-02-01更新
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634次组卷
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8卷引用:安徽省蚌埠市2017-2018学年七年级下期末数学试卷