如图,在四边形
中,
,若
的角平分线
交
于
,连接
,且
平分
,则下列结论:①
;②
为
的中点;③
;④
其中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4189a0821a0ffab9dc171ecd279ba442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1070d38d2fea1dc88c6eb31d320b763.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5b2a4ebd152befe1eaa1640e5d952e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79346ddc3afe661a1bdc607197f19d49.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/10/570469bf-5e80-43cb-88de-2806187b5088.png?resizew=181)
A.①②③ | B.①③④ | C.②③④ | D.①②③④ |
更新时间:2023-11-17 19:59:22
|
【知识点】 全等三角形综合问题
相似题推荐
单选题
|
适中
(0.65)
【推荐1】如图,C为线段
上一动点(不与点A,E重合),在
同侧分别作等边
和等边
,
与
交于点O,
与
交于点P,
与
交于点Q,连接
,则下列结论:①
;②
;③
;④
.其中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/47c6212a-5fa8-4e9f-8355-02fd1b19982c.png?resizew=200)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c503e29373e8d87134bdb46bd3912910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60e5c088a90d0f4052fc92dd9b7addf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7341c7d3b742bf451457145206782711.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6b29ebc71207e74f6a615a3018d7993.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/47c6212a-5fa8-4e9f-8355-02fd1b19982c.png?resizew=200)
A.只有①②④ | B.只有①②③ |
C.只有②③④ | D.只有①③④ |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】两组邻边分别相等的四边形叫做“筝形”,如图,四边形ABCD是一个筝形,其中AD=CD,AB=CB,小明在探究筝形的性质时,得到如下结论:
![](https://img.xkw.com/dksih/QBM/2016/1/14/1573954329337856/1573954335334400/STEM/15f2a1c0cf4e4fbc8b346b8aae9658d1.png)
①AC⊥BD;②AO=CO=
AC;③△ABD≌△CBD,其中正确的结论有( )
![](https://img.xkw.com/dksih/QBM/2016/1/14/1573954329337856/1573954335334400/STEM/15f2a1c0cf4e4fbc8b346b8aae9658d1.png)
①AC⊥BD;②AO=CO=
![](https://img.xkw.com/dksih/QBM/2016/1/14/1573954329337856/1573954335334400/STEM/4b0314bec44b4e7f9ed3ecd268b1d336.png)
A.①② | B.①③ | C.②③ | D.①②③ |
您最近一年使用:0次