如图,在矩形ABCD中,BC=8,以AB为直径作⊙O,将矩形ABCD绕点B旋转,使所得矩形A'BC'D'的边C'D'与⊙O相切,切点为E,边A'B与⊙O相交于点F.若BF=8,则CD长为( )
![](https://img.xkw.com/dksih/QBM/2021/5/13/2720025292963840/2721580573138944/STEM/3fe08db2d6b748c3870467a9d16d1c5b.png?resizew=179)
![](https://img.xkw.com/dksih/QBM/2021/5/13/2720025292963840/2721580573138944/STEM/3fe08db2d6b748c3870467a9d16d1c5b.png?resizew=179)
A.9 | B.10 | C.8![]() | D.12 |
2021九年级·全国·专题练习 查看更多[2]
(已下线)考点17 矩形、菱形、正方形(考点)-备战2021年中考数学考点微专题(已下线)专题2.16 直线与圆的位置关系(全章复习与巩固)(培优篇)(专项练习)-2022-2023学年九年级数学下册基础知识专项讲练(浙教版)
更新时间:2021-05-24 14:49:15
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