(1)如图,在△AEC和△DFB中,点A、B、C、D在同一条直线上,AE=DF,AE∥DF,∠E=∠F,求证:EC=BF.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/31/14d12841-c614-49e2-b259-57b48155d11f.png?resizew=151)
(2)如图,在△ABC中,∠CAB=55°,将△ABC在平面内绕点A逆时针旋转到△AB′C′的位置,使CC′∥AB,求旋转角的度数
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/31/14d12841-c614-49e2-b259-57b48155d11f.png?resizew=151)
(2)如图,在△ABC中,∠CAB=55°,将△ABC在平面内绕点A逆时针旋转到△AB′C′的位置,使CC′∥AB,求旋转角的度数
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/31/45d22d0a-c731-413c-9b74-09469858552c.png?resizew=167)
18-19八年级上·山东济南·期末 查看更多[4]
【区级联考】山东省济南市历城区2018-2019学年八年级上学期期末考试数学试题1【区级联考】山东省济南市历城区2018-2019学年八年级上学期期末考试数学试题2河北省邯郸市临漳县2021-2022学年八年级下学期期末数学试题(已下线)专题23.11 旋转(全章知识梳理与考点分类讲解)-2023-2024学年九年级数学上册基础知识专项突破讲与练(人教版)
更新时间:2019-01-22 16:37:52
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【推荐2】如图,
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【推荐1】如图一,在
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