如图,正方形
的边长为3,E,F是对角线
上的两点,过点E,F分别作
的平行线,若
,则图中阴影部分的面积等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba1060112ffc866d9e1840c5d5b535e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/6/53eed86c-98cc-4568-ad21-40a4a4f65414.png?resizew=112)
A.9 | B.![]() | C.3 | D.![]() |
更新时间:2023-11-06 14:41:14
|
【知识点】 相似三角形的判定与性质综合
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