题型:单选题
难度:0.85
引用次数:64
题号:22704827
将一直角三角板与两边平行的纸条如图所示放置,下列结论正确的个数是( )
; (2)
; (3)
; (4)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e53497af8899cb299d762f1a4f46a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/682dc163baa74e18746d3d52da6cff7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/640327058f2c3665af930fe0f5aeea5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3e9af77ba220f7fbc983ba79dd40483.png)
A.1 | B.2 | C.3 | D.4 |
更新时间:2024-05-07 20:07:54
|
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名校
【推荐2】如图是由一副三角板拼凑得到的,图中的
的度数为( )
![](https://img.xkw.com/dksih/QBM/2022/11/16/3111040018407424/3114970287603712/STEM/eefd30ed2adb468f8d1eabc204c0276a.png?resizew=196)
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】下列说法中正确的个数为( )
①过一点有且只有一条直线与已知直线垂直;
②两条直线被第三条直线所截,同位角相等;
③经过两点有一条直线,并且只有一条直线;
④图形
由图形
平移得到,则图形
与图形
中的对应点所连线段平行(或在同一条直线上)且相等;
①过一点有且只有一条直线与已知直线垂直;
②两条直线被第三条直线所截,同位角相等;
③经过两点有一条直线,并且只有一条直线;
④图形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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【推荐2】如图,
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【推荐1】给出下列4个命题,其中真命题的个数为( )
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③同旁内角相等,两直线平行;
④互补的两个角中一定是一个为锐角,另一个为钝角;
①对顶角相等;
②同旁内角的两个角的平分线互相垂直
③同旁内角相等,两直线平行;
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