如图,在
中,
,
,将
绕点
逆时针旋转
角度
得到
,若
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/456e0f77d83975fdbdb60b499cb5b521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abacf56383fdb6520e04993bb381d33b.png)
![](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/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb7a81bb0d8f1463aaabd61670ee7c4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c0aa4c793921fdaa5d430cb90d78ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/30/d28f0da9-443b-4ea1-abde-cfa579bdcdfb.png?resizew=154)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-10-30 17:21:37
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【推荐1】下列说法中,错误的是( )
A.过已知直线上一点及该直线外一点的直线与已知直线必是相交直线 |
B.直角的补角是直角 |
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【推荐2】如图,将一条两边沿互相平行的纸带按图折叠,则∠1的度数等于( )
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【推荐1】若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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【推荐2】如图,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d1d093811d46fff45f369af6a977d8a.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4a288554fe25fe0a72530eb29756e1.png)
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【推荐1】如图,在Rt△ABC中,∠ACB=90°,∠A=α,将△ABC绕点C按顺时针方向旋转后得到△DEC,此时点E在AB边上,则旋转角的大小为( )
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【推荐2】如图,将
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