如图,四边形
是平行四边形,分别延长
至点F、E,使得
,连接
.请再添加一个条件:_________________ ,使得四边形
是菱形,并说明理由.(不再添加任何线条、字母)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d8868d4d4ecb629a02439c890667777.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92034dd2bb9480b18709d01153467f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a88ce951040633269ec0f78706a270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/910936ec9fb419d51ce2f5ea817f8401.png)
更新时间:2024-04-12 11:58:20
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【推荐2】如图,四边形
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【推荐1】如图已知四边形ABCD中,AB=CD,AB//CD要使四边形ABCD是菱形,应添加的条件是_____________________________ (只填写一个条件,不使用图形以外的字母).
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