1 . 如图,正方形
中,
,点E,F分别在边
,
上,点
在对角线
上,
,
.下列结论错误 的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a24ee04b7e461c045431ce83d15a91de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7afe22cf84f83202d7a2be5e62cca16.png)
A.若![]() | B.若m的最小值为4,则![]() |
C.若![]() | D.若m的最小值为5,则![]() |
您最近一年使用:0次
2 . 如图,在四边形ABCD中,
,
,点O是AB的中点,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea6b3832482f8c74cd20b0e572d463e5.png)
,OC平分∠DOB,点P是AB上一动点(不与点A,B重合),那么
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d671c8b45ffbed2fb5502a76b6b20e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea6b3832482f8c74cd20b0e572d463e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13a83e7ca69f682b0a94683ab914393c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/660fccef2bb6651fecb9be00a0634f74.png)
![](https://img.xkw.com/dksih/QBM/2022/1/19/2897947559460864/2915596018819072/STEM/59b6bf98-7c46-4fd5-9858-ec86e8e6ac09.png?resizew=152)
您最近一年使用:0次
2022-02-13更新
|
171次组卷
|
2卷引用:2022年山东省东营市东营区中考二模数学试题