一副三角板按图1的形式摆放,把含
角的三角板固定,含
角的三角板绕直角顶点逆时针旋转,设旋转的角度为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
.在旋转过程中,当两块三角板有两边平行时,
的度数为 ___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/139aaa2152ea2909956982587e38b1d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/11/e15894f3-8a8f-4102-bfb3-b8ca65c486ad.png?resizew=279)
2023九年级上·全国·专题练习 查看更多[3]
(已下线)第二十三章 旋转 能力提升卷(B卷)-2023-2024学年九年级数学上册《知识解读·题型专练》(人教版)重庆育才中学教育集团2023-2024学年九年级上学期第三次自主作业数学试题(已下线)专题3.20 图形的平移与旋转(全章常考核心考点分类专题)(培优练)-2023-2024学年八年级数学下册基础知识专项突破讲与练(北师大版)
更新时间:2023-10-05 13:00:58
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【推荐1】将一副三角尺按图所示摆放,则∠ABE=_________ °,∠ACD=_________ °.
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