正方形
与正方形
按如图方式放置,点
,
,
在同一直线上,已知
,
,连接
并取中点
,则
的长为( )
![](https://img.xkw.com/dksih/QBM/2021/6/2/2734345861152768/2785428493426688/STEM/ff8bcb41-d237-4023-86d9-e7f5b79a8b82.png?resizew=189)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbc7ee0ef8945ba1b90e59aed7cab889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f10ba49c6369a3a6aa9ac289e7f357bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://img.xkw.com/dksih/QBM/2021/6/2/2734345861152768/2785428493426688/STEM/ff8bcb41-d237-4023-86d9-e7f5b79a8b82.png?resizew=189)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2021-08-13 19:11:41
|
【知识点】 根据正方形的性质与判定求线段长
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【推荐2】如图,在正方形
外取一点
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作
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