如图,四边形OAEC是平行四边形,以O为圆心,OC为半径的圆交CE于D,延长CO交
O于B,连接AD、AB,AB是
O的切线.
![](https://img.xkw.com/dksih/QBM/2022/1/7/2896413049970688/2901394434465792/STEM/9e100e01-b832-4ac1-a36e-a7f91bb52b46.png?resizew=165)
(1)求证:AD是
O的切线.
(2)若
O的半径为4,
,求平行四边形OAEC的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/091e86ca89e484b331fd90125a5e5af3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/091e86ca89e484b331fd90125a5e5af3.png)
![](https://img.xkw.com/dksih/QBM/2022/1/7/2896413049970688/2901394434465792/STEM/9e100e01-b832-4ac1-a36e-a7f91bb52b46.png?resizew=165)
(1)求证:AD是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/091e86ca89e484b331fd90125a5e5af3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/091e86ca89e484b331fd90125a5e5af3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
21-22九年级上·江苏·期末 查看更多[8]
江苏省淮安市洪泽区、金湖县2021-2022学年九年级上学期期末数学试题(已下线)专题24.2.2 直线与圆的位置关系(专项训练)-2022-2023学年九年级数学上册《同步考点解读·专题训练》(人教版)(已下线)专题24.23 圆的切线证明方法专题(巩固篇)(专项练习)-2022-2023学年九年级数学上册基础知识专项讲练(人教版)(已下线)专题3.29 圆的切线证明方法专题(巩固篇)(专项练习)-2022-2023学年九年级数学下册基础知识专项讲练(北师大版)(已下线)专题2.12 圆的切线证明方法专题(巩固篇)(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)2023 年内蒙古自治区乌兰察布市集宁区天立学校九年级数学调研试题(已下线)专题2.1 直线与圆的位置关系(专项训练)-2022-2023学年九年级数学下册《同步考点解读·专题训练》(浙教版)(已下线)专题3.5 直线与圆的位置关系(专项训练)-2022-2023学年九年级数学下册《同步考点解读·专题训练》(北师大版)
更新时间:2022-01-24 15:24:59
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