如图,在
中,E在边
上,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40cf5b93e36bc32f4424184ed05bccdd.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d75781945f17a7879156f68b9865e678.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65127598b274d0e6fabf6af830267234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40cf5b93e36bc32f4424184ed05bccdd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/fe435f53-4a79-4c25-b14f-960a15e0089d.png?resizew=177)
更新时间:2024-01-03 16:35:52
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【推荐1】在平行四边形
中,对角线
交于点
,若
,那么
的取值范围为_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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【推荐2】平行四边形ABCD中,∠A=40°,则∠D= _______ 度
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【推荐1】如图,在
中,
,
,
是两条对角线的交点,过点
作
的垂线分别交边
,
于点
,
,点
是边
的一个三等分点,则
与
的面积比为___ .
![](https://img.xkw.com/dksih/QBM/2017/8/1/1773761344479232/1773761344724992/STEM/e6a0482221de4ccfb2c7355ac5e36b93.png?resizew=59)
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【推荐2】如图,矩形
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