如图,在平行四边形
中,
,
的平分线与
交于点
,且点
为边
的中点,连结
,作
,垂足为
,若
,则
的边长为( )
![](https://img.xkw.com/dksih/QBM/2021/5/14/2720928715644928/2722146598739968/STEM/cc2f6416-70e6-475b-bfce-6626fd1864e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2947ca8e0cdbeb4aab80ce9e7b63ba98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f49d1de7c6dfc04b6e84e23eec0a1d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82773737609e65dea3c5c67099f1b10d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://img.xkw.com/dksih/QBM/2021/5/14/2720928715644928/2722146598739968/STEM/cc2f6416-70e6-475b-bfce-6626fd1864e3.png)
A.2 | B.![]() | C.![]() | D.3 |
更新时间:2021-06-03 19:33:49
|
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【推荐1】如图,在
中,
,
于F,
交
于E,若
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的大小是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐2】如图,在▱ABCD中,E为边AD上的一点,将△DEC沿CE折叠至△D′EC处,若∠B=48°,∠ECD=25°,则∠D′EA的度数为( )
![](https://img.xkw.com/dksih/QBM/2020/2/16/2399869615529984/2401117217710080/STEM/eb405cd33c784257874c3ce2b2a6e641.png?resizew=190)
![](https://img.xkw.com/dksih/QBM/2020/2/16/2399869615529984/2401117217710080/STEM/eb405cd33c784257874c3ce2b2a6e641.png?resizew=190)
A.33° | B.34° | C.35° | D.36° |
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【推荐2】如图,在
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A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次