如图,已知
、
的角平分线
相交于点P,
,
,垂足分别为M、N.现有四个结论:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/53019fde-9a32-4a8a-86d9-a2f5e5b18ae6.png?resizew=201)
①
平分
;②
;③
;④
.
其中结论正确的是( ).(填写结论的编号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6344778ed1e75c1a99e2268468081867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83b803a2b0aad69808bf09d4a5267e6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5639ef03056c2a67e9c48069155ffd3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/474bb079b2dcafdc5ceb83f65e7eeba4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/53019fde-9a32-4a8a-86d9-a2f5e5b18ae6.png?resizew=201)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752fa646a2d9cfca34001748445301c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bf90ebd6652399ceb17014a0af0216.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f8cb322fd5814fc556b6bf582fffa8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8484785a01b4d3f4a6178eba75dc7398.png)
其中结论正确的是( ).(填写结论的编号)
A.①②④ | B.①④ | C.①②③ | D.②③④ |
21-22八年级上·河北承德·期末 查看更多[10]
河北省承德市围场县2021-2022学年八年级上学期期末考试数学试题(已下线)2.4 线段、角的轴对称性(培优分阶练)-2022-2023学年八年级数学上册课后培优分级练(苏科版)河南省信阳市第七中学2022-2023学年八年级上学期10月月考数学试题(已下线)专题2.4 特殊三角形(一)(轴对称、等腰三角形与逆命题(定理)十大题型)重难点题型-2022-2023学年八年级数学上册重难题型全归纳及技巧提升专项精练(浙教版)湖南省长沙市湖南师大附中博才实验中学2022-2023学年八年级上学期数学期中数学试卷(已下线)第2章 轴对称图形 章末检测卷-2022-2023学年八年级数学上册重难题型全归纳及技巧提升专项精练(苏科版)山东省德州市陵城区第七中学2022-2023学年八年级上学期期末数学试题(已下线)专题5.1 生活中的轴对称 重难点题型12个-2022-2023学年七年级数学下册重难题型全归纳及技巧提升专项精练(北师大版)辽宁省营口市大石桥市第二初级中学2023-2024学年八年级上学期第一次月考数学试题辽宁省营口市盖州市2022-2023学年八年级上学期期中数学试题
更新时间:2022-10-24 19:06:08
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【推荐1】如图,在
中,
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,已知AB∥CD,点E在AC上,∠A=105°,∠D=20°,则∠AED=( )
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A.85° | B.90° | C.95° | D.100° |
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名校
【推荐1】如图,
是
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【推荐2】如图,
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①
;②
;③
;④
;⑤
.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
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①
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【推荐2】如图所示,在
中,
,
,按下列步骤作图:
第一步:在
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第二步:分别以点
和点
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的一半)为半径作圆弧,两弧交于点
;
第三步:作射线
交
于点
;
第四步:过点
作
于点
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下列结论成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42798067d911f96e5784cb138319c907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
第一步:在
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第二步:分别以点
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第三步:作射线
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【推荐2】如图,∠ABC=∠ACB,AD、BD分别平分△ABC的外角∠EAC、内角∠ABC,以下结论:① AD∥BC;②∠ACB=2∠ADB;③ BD⊥AC;④ AC=AD.其中正确的结论有( )
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