如图,下列条件能判定AD∥BC的是( )
![](https://img.xkw.com/dksih/QBM/2021/8/28/2795671089258496/2797268413587456/STEM/eaa6a40a43b44f0cb8bcc1d1c66ee135.png?resizew=134)
![](https://img.xkw.com/dksih/QBM/2021/8/28/2795671089258496/2797268413587456/STEM/eaa6a40a43b44f0cb8bcc1d1c66ee135.png?resizew=134)
A.∠EAD=∠D | B.∠D=∠DCF |
C.∠B=∠DCF | D.∠B+∠BCD=180° |
更新时间:2021-08-30 12:40:04
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【推荐1】如图,已知直线a,b与直线c相交,下列条件中不能判定直线a与直线b平行的是( )
![](https://img.xkw.com/dksih/QBM/2019/5/27/2212823111024640/2218314881703936/STEM/cdde1bdf78e84d0a8f44d6b14ac8ce32.png?resizew=122)
![](https://img.xkw.com/dksih/QBM/2019/5/27/2212823111024640/2218314881703936/STEM/cdde1bdf78e84d0a8f44d6b14ac8ce32.png?resizew=122)
A.∠2+∠3=180° | B.∠1+∠5=180° |
C.∠4=∠7 | D.∠1=∠8 |
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【推荐1】如图,点
在
的延长线上,下列条件中能判定
的是( )
![](https://img.xkw.com/dksih/QBM/2019/8/12/2267218263629824/2267296918765568/STEM/5911a05a34784db59c76fa4fa5fac175.png?resizew=222)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://img.xkw.com/dksih/QBM/2019/8/12/2267218263629824/2267296918765568/STEM/5911a05a34784db59c76fa4fa5fac175.png?resizew=222)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】根据所给图形,判断下列说法中正确的是( )
![](https://img.xkw.com/dksih/QBM/2019/5/30/2214620822749184/2217593093373952/STEM/92c9b6a589e24f648b6e64af7713111b.png?resizew=167)
![](https://img.xkw.com/dksih/QBM/2019/5/30/2214620822749184/2217593093373952/STEM/92c9b6a589e24f648b6e64af7713111b.png?resizew=167)
A.因为![]() |
B.因为![]() |
C.因为AB∥CD,所以![]() |
D.因为AD∥BC,所以![]() |
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【推荐2】下列命题中,是真命题的是( )
A.内错角相等 | B.邻补角相等 |
C.同旁内角相等两直线平行 | D.平行于同一直线的两直线平行 |
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