抖空竹在我国有着悠久的历史,是国家级的非物质文化遗产之一.如示意图,
分别与
相切于点C,D,延长
交于点P.若
,
的半径为
,则瞬间与空竹接触的细绳的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/8/5bb1ba6e-917a-46e5-ba24-5df9e811ebcb.png?resizew=100)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/8/97c1969e-3000-42de-ae29-24fc349a24bb.png?resizew=225)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/8/5bb1ba6e-917a-46e5-ba24-5df9e811ebcb.png?resizew=100)
A.![]() | B.![]() | C.![]() | D.![]() |
2023·河北石家庄·二模 查看更多[5]
2023年河北省石家庄市第四十二中学中考二模数学试卷(已下线)专题05 直线与圆的位置关系及切线的判定与性质(6个考点六大类型)-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05 直线与圆的位置关系及切线的判定与性质(6个考点六大类型)(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)(已下线)专题05 直线与圆的位置关系及切线的判定与性质(6个考点六大类型)-2023-2024学年九年级数学下册《知识解读·题型专练》(北师大版)(已下线)专题01 直线与圆的位置关系(6个考点六大类型)-2023-2024学年九年级数学下册《知识解读·题型专练》(浙教版)
更新时间:2023-05-24 09:06:00
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