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中,
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的中点,连接
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于点
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于点
.则图中阴影部分的周长为( )
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2022·山东潍坊·三模 查看更多[5]
2022年山东省潍坊市诸城市中考三模数学试题2022年山东省潍坊市(青州市、临朐县、昌邑县、诸城市、昌乐县、寿光市)中考三模数学试题(已下线)专题3.9 弧长及扇形的面积(能力提升)-2022-2023学年九年级数学下册《同步考点解读·专题训练》(北师大版)(已下线)专题07 弧长、扇形面积和圆锥的侧面积(4个考点七大类型)-2023-2024学年九年级数学上册《知识解读·题型专练》(苏科版)(已下线)第07讲 弧长、扇形面积和圆锥的侧面积(知识解读+真题演练+课后巩固)-2023-2024学年九年级数学下册《知识解读·题型专练》(北师大版)
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