将一把直尺和一块含角的直角三角板按如图所示摆放,则
和
的数量关系一定正确的是( )
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2024-02-11 11:45:33
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适中
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【推荐1】如图所示,已知直线
,
相交于点
,
平分
,
,则
的度数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
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适中
(0.65)
【推荐2】如图,直线
,
相交于点
,
,
平分
,若
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的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/16/1854666c-c704-4b4e-9023-00ca0ef51559.png?resizew=171)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9f91270ddbe1cf3c1362e1b95aee14.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】如图,把一副三角板放在桌面上,若两直角顶点重合,两条斜边平行,则
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![](https://img.xkw.com/dksih/QBM/2020/4/8/2437280366649344/2437646724833281/STEM/4c19facfbeef402a815ebf9aa42a985c.png?resizew=146)
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A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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适中
(0.65)
名校
【推荐2】如图,直线l1∥l2,将一直角三角尺按如图所示放置,使得直角顶点在直线l1上,两直角边分别与直线l1、l2相交形成锐角∠1、∠2且∠1=25°,则∠2的度数为( )
A.25° | B.75° | C.65° | D.55° |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】如图,11∥l2,∠1=100°,∠2=135°,则∠3的度数为( )
![](https://img.xkw.com/dksih/QBM/2019/6/2/2217024713613312/2224016608944128/STEM/191c9e8c37a84dd6a7143f07c16a387a.png?resizew=146)
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A.50° | B.55° | C.65° | D.70° |
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单选题
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适中
(0.65)
【推荐2】如图,在
中,
平分
交
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的度数是( )
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
A.50° | B.60° | C.70° | D.80° |
您最近一年使用:0次