如图,已知∠AOB=50°,点 D 是边 OA 上一点,在射线 OB 上取一点 C,当△OCD 是等腰三角形时,∠OCD 的度数为___________ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/27/9aedd3c2-7c23-4fbf-8e09-72fd6c1d1c95.png?resizew=154)
21-22七年级下·广东深圳·期末 查看更多[3]
广东省深圳市龙岗区2021-2022学年七年级下学期期末数学试题广东省深圳市龙岗区七校2021-2022学年七年级下学期期末数学试题(已下线)期末难点特训(一)选填压轴50道-【微专题】2022-2023学年七年级数学下册常考点微专题提分精练(北师大版)
更新时间:2022-07-24 17:39:27
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【推荐1】如图,点
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分别在线段
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与
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【推荐2】如图,已知
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【推荐1】如图,在等边△ABC中,点D、E分别在边AC、BC上,AD=CE,连接BD,AE,点M、N分别在线段BE、BD上,满足BM=BN,MN=ME,若∠DBC:∠BEN=8:7,则∠AEN的度数为_______ .
![](https://img.xkw.com/dksih/QBM/2021/7/10/2761491011002368/2761940529930240/STEM/e516be36-3646-404d-a982-c77c90eae32a.png)
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