如图,已知
和
是以点
为位似中心的位似图形,且
,则
与
的相似比是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/11/8202363c-6914-48a4-a558-23d0ed601b70.png?resizew=123)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c771a4feb150ad9cff8d70431c97eb17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d1cff863504e5aca7e97b9106a6f884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c771a4feb150ad9cff8d70431c97eb17.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/11/8202363c-6914-48a4-a558-23d0ed601b70.png?resizew=123)
A.1∶4 | B.4∶1 | C.1∶2 | D.2∶1 |
2022·重庆北碚·模拟预测 查看更多[2]
更新时间:2022-06-07 14:20:05
|
【知识点】 求两个位似图形的相似比
相似题推荐
单选题
|
容易
(0.94)
名校
【推荐1】如图,以点
为位似中心,把
放大为原图形的2倍得到
,以下说法中错误 的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/19/22d23714-0bbd-4485-9707-0f5ee73cf6cc.png?resizew=192)
![](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/72cb97395ebc5ee1b212afb7a97b985c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/19/22d23714-0bbd-4485-9707-0f5ee73cf6cc.png?resizew=192)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
容易
(0.94)
【推荐2】如图,
与
是位似三角形,点O为位似中心.
,则
与
的位似比为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7664e93002bab90b025734bf58143cde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次