如图,直线
,点O在直线
上,则以下结论正确的是( )
![](https://img.xkw.com/dksih/QBM/2023/5/12/3236241667072000/3236255095726080/STEM/2773e572d35445679c762e2672f8d964.png?resizew=341)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c75d8581bb7b2a91795852acdc07d68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://img.xkw.com/dksih/QBM/2023/5/12/3236241667072000/3236255095726080/STEM/2773e572d35445679c762e2672f8d964.png?resizew=341)
A.![]() | B.![]() |
C.![]() | D.![]() |
22-23七年级下·浙江杭州·期中 查看更多[1]
(已下线)【浙江新东方】【2023年】【初一下】【378】【期中考】数学试题
更新时间:2023-05-12 18:00:45
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【推荐1】如图,将长方形
沿
折叠,得到如图所示的图形,已知
,则
的度数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7d4dd82022d1fad9babd28381c36eff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a852c13de65877be1f43ac1f88f179d7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,BO、CO分别是∠ABC和∠ACB的平分线,BO与CO相交于O,过点O作BC的平行线交AB于D,交AC于点E,已知AB=10,AC=6,则△ADE的周长是( )
![](https://img.xkw.com/dksih/QBM/2019/11/8/2334312149925888/2347192885428224/STEM/ae263bd0771a42348c491f949682246f.png?resizew=174)
![](https://img.xkw.com/dksih/QBM/2019/11/8/2334312149925888/2347192885428224/STEM/ae263bd0771a42348c491f949682246f.png?resizew=174)
A.15 | B.16 | C.17 | D.18 |
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【推荐1】下列命题错误的有( )
①直线外一点到这条直线的垂线段叫做点到直线的距离;
②两条直线被第三条直线所截,同旁内角互补.
③实数与数轴上的点一一对应;
④无限小数就是无理数;
①直线外一点到这条直线的垂线段叫做点到直线的距离;
②两条直线被第三条直线所截,同旁内角互补.
③实数与数轴上的点一一对应;
④无限小数就是无理数;
A.1个 | B.2个 | C.3个 | D.4个 |
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【推荐2】如图,AB∥CD,∠FGB=150°,FG平分∠EFD,则∠AEF的度数等于( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/dc22ddef-d800-4901-9282-f9647abe7a2f.png?resizew=182)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/dc22ddef-d800-4901-9282-f9647abe7a2f.png?resizew=182)
A.45° | B.50° | C.58° | D.60° |
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