如图,在四边形
中,
,点E在
上,
平分
,
平分
.给出下面三个结论:
;②
;③
.上述结论中,所有正确结论的序号是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b6a98f5dcee0f4d97967732339495ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3981e7286d41960daf4e110c1c84e03a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3702b5620dbee356a8e560c78d223ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f135ae4531e59a3c5a7c1e475a5e8934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c6c150511eead72eb15fc7284c6c363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538c534cb976a59dd287785a6d65785b.png)
A.①② | B.②③ | C.①③ | D.①②③ |
更新时间:2024-05-24 21:59:38
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【推荐1】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:(1)
;(2)
;(3)
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![](https://img.xkw.com/dksih/QBM/2022/4/24/2965009415905280/3043170470993920/STEM/c724f5d38dc6436d8fbd4c7520fa95bb.png?resizew=276)
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A.1 | B.2 | C.3 | D.4 |
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【推荐1】下列说法正确的是( )
A.到角两边距离相等的点一定在这个角的角平分线上 |
B.点P到线段AB的两端点距离相等,则过点P的直线是线段AB的垂直平分线 |
C.三角形三个内角的平分线相交于一点,这个点到三角形三个顶点的距离相等 |
D.无理数都是无限小数 |
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【推荐2】如图,在四边形
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,连接
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边上一动点,则
长的最小值为( ).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/19/eb200421-860f-4a67-8f19-86b1012df980.png?resizew=212)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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A.4 | B.3 | C.2 | D.1 |
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【推荐1】如图,△ABC中,AB=AC=
,∠BAC=α°,
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A.24 | B.25 | C.12 | D.13 |
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