1 . 如图,以点
为位似中心,把
的各边长放大为原来的
倍得到
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() ![]() |
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2 . 如图,在四边形ABCD中,∠B=∠C,AB=3,CD=2,BC=6,点P是边BC上的动点,若△ABP与△CDP相似,则BP=( )
![](https://img.xkw.com/dksih/QBM/2022/7/4/3015346005114880/3017622884786176/STEM/76f532ae477b4e3cb4f38b93a3385eee.png?resizew=165)
![](https://img.xkw.com/dksih/QBM/2022/7/4/3015346005114880/3017622884786176/STEM/76f532ae477b4e3cb4f38b93a3385eee.png?resizew=165)
A.3.6 |
B.![]() |
C.![]() |
D.2.4 |
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3 . 如图,在△ABC中,中线BE,CD相交于点O,连接DE,下列结论,正确的有( ).
![](https://img.xkw.com/dksih/QBM/2021/8/28/2795670989979648/2797285924732928/STEM/0cdbf46d99ec49f2b599e78a9140a733.png?resizew=108)
![](https://img.xkw.com/dksih/QBM/2021/8/28/2795670989979648/2797285924732928/STEM/0cdbf46d99ec49f2b599e78a9140a733.png?resizew=108)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
2021-08-30更新
|
209次组卷
|
3卷引用:山东省潍坊市安丘市2020-2021学年八年级下学期期末数学试题
4 . 如图,
的两条中线
,
交于点
,则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/2/de087cff-d8dc-44f9-95b4-9f425be2676e.png?resizew=132)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/2/de087cff-d8dc-44f9-95b4-9f425be2676e.png?resizew=132)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次