如图,在扇形AOB中,∠AOB=90°,AO=1.分别以点A、B为圆心,AO、BO长为半径画弧,与
相交,则图中阴影部分的周长为 _____ .
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2021·甘肃·模拟预测 查看更多[3]
2021年甘肃省中考数学模拟试卷(黑卷)(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)专题07 弧长、扇形面积和圆锥的侧面积(4个考点七大类型)(题型专练)-2023-2024学年九年级数学上册《知识解读·题型专练》(人教版)
更新时间:2022-09-09 09:45:25
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