如图.将扇形
翻折,使点
与圆心
重合,展开后折痕所在直线
与
交于点
,连接
.若
,则图中阴影部分的面积是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/11/9c57961d-7d69-4123-ae2c-8dfe8d1d75cf.png?resizew=155)
22-23九年级上·山东济南·期末 查看更多[5]
山东省济南市市中区2022-2023学年九年级上学期期末数学试题云南省昆明市五华区云南大学附属中学呈贡校区2022-2023学年九年级上学期期末数学试题山东省济南市高新区东城逸家初级中学2022-2023学年九年级下学期自主检测数学试题2023年山东省济南市章丘区中考一模数学试题(已下线)九年级数学期末模拟卷(广州专用,测试范围:人教版九上全部-九下第26章 反比例函数)-学易金卷:2023-2024学年初中上学期期末模拟考试
更新时间:2023-01-09 15:09:56
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