已知
,其相似比为3:2,则
与
的周长之比为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a61291dca712701e08ff421ef334b371.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
A.2:3 | B.3:2 | C.4:9 | D.9:4 |
更新时间:2021-09-11 16:44:35
|
【知识点】 利用相似三角形的性质求解解读
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【推荐1】如图所示,某同学用灯光照射一个三角尺形成中心投影,测得三角尺一边长为
,其投影的对应边长为
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单选题
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【推荐2】若
(其中点
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