如图,已知正方形ABCD,E为边BC上一个动点(E点不与B、C重合),F为BC延长线上的一个动点,且有BE=CF,AE交BD于H,连接DF,过F作FG⊥BD于G,连接AG、EG,则下列结论: ①四边形AEFD为菱形;②AG=EG;③当E为BC中点时,tan∠BGE=
;④当
时,
.其中正确的有____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15707727624e947fc38ae17b42001afe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6df3647f826d2819eaa11773de9adbe2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/8/036e1405-b4e2-4e8a-a533-d714f6742dea.png?resizew=185)
更新时间:2022-10-07 15:35:01
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【推荐2】已知菱形
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