正方形
中,
,点
为
边上一动点(不与点
重合),将
绕点
逆时针旋转
得到
,过
作
交
于点
.则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267ace52b64e1e7dfc5211e033255b7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13668f033d00acfc366f7e47949c4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecd36d0f4bae8834e90bfc49fe7671de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e5f736b1195fef1d2d300168a795f1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/13/62b69d78-41b8-475d-90cd-d0efd87f38bd.png?resizew=158)
A.![]() | B.4 | C.![]() | D.5 |
更新时间:2023-10-13 17:12:11
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【推荐1】如图,边长为
的正方形,剪去四个角后成为一个正八边形,则这个正八边形的边长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/20/6ca5bf05-f38a-4b52-8b00-b00d15442159.png?resizew=141)
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A.0.5 | B.![]() | C.1 | D.![]() |
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【推荐2】已知:如图,
中,
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,点D是射线
上一动点,以
为一边向右画正方形
,连接
,取
中点G,则
的最小值为( )
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名校
【推荐1】如图,
绕点
顺时针旋转
得到
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![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/d7df881d-fb05-4ecd-92a0-2c4d60b02514.png?resizew=200)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/391479c151307826c9765a47a5f10503.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,边长为5的等边三角形
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得到
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A.![]() | B.1 | C.2 | D.![]() |
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【推荐2】如图,
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