如图,扇形
中,
.若将此扇形绕点B顺时针旋转,得一新扇形
,其中A点在
上,则点O的运动路径长为_______
.(结果保留
)
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20-21九年级上·全国·课后作业 查看更多[6]
人教版2020年九年级上数学 第二十四章 圆 全章综合训练(已下线)【新东方】 嘉兴一实九年级上期中数学(已下线)专题3.24 弧长和扇形面积(专项练习1)-2021-2022学年九年级数学下册基础知识专项讲练(北师大版)湖南省邵阳市邵东市2022-2023学年九年级下学期期中数学试题河北省邯郸市永年区2023-2024学年九年级上学期期末数学试题河北省邯郸市邯郸经济技术开发区2023-2024学年九年级上学期期末数学试题
更新时间:2020-08-29 18:46:21
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