如图,
的面积为10,
,
,
,点
在
上,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af620f6d204d310d8e3f267fdd6c3f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b757706eee506a078fc25e3f33a70cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b8fc33b74cc105c959170c9cf4c59d6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/26/da40acc0-ab61-4648-bbc4-2989ff7e488b.png?resizew=149)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-05-27 17:55:49
|
【知识点】 利用相似三角形的性质求解解读
相似题推荐
单选题
|
适中
(0.65)
【推荐1】如图,在△ABC中,AC=15,BC=18,cosC=
,DE∥BC,DF⊥BC,若S△BFD=2S△BDE,则CD长为( )
![](https://img.xkw.com/dksih/QBM/2019/2/20/2144918333865984/2145939494879233/STEM/2ebe8d2588374e8e891c26843f7152f5.png?resizew=114)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac97e6740365c85ad857aff85cefbe5.png)
![](https://img.xkw.com/dksih/QBM/2019/2/20/2144918333865984/2145939494879233/STEM/2ebe8d2588374e8e891c26843f7152f5.png?resizew=114)
A.7.5 | B.9 | C.10 | D.5 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】若△ABC~△A′B′C′,面积比为1∶4,则△ABC与△A′B′C′的相似比为( )
A.16∶1 | B.1∶16 | C.2∶1 | D.1∶2 |
您最近一年使用:0次