如图,在RtABC中,∠ACB=90°,BC=4,AC=3,⊙O是以BC为直径的圆,如果⊙O与⊙A相切,那么⊙A的半径长为 _______________________ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/26/622930ae-2c33-45af-87e1-29787f2fe942.png?resizew=190)
21-22九年级下·上海·期中 查看更多[4]
上海外国语大学附属浦东外国语学校2021-2022学年九年级下学期期中诊断数学试卷(已下线)第二十七章 圆与正多边形(A卷·知识通关练)-【单元测试】2022-2023学年九年级数学下册分层训练AB卷(沪教版上海)(已下线)第09讲 直线与圆的位置关系(4大考点)-2022-2023学年九年级数学考试满分全攻略(沪教版)(已下线)易错06+圆2(六大易错分析+避坑大招+学以致用+易错题通关)-备战2024年中考数学考试易错题(全国通用)
更新时间:2022-09-25 21:13:41
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