如图,矩形纸片
中,
,直
分别为
的中点,
分别为
上的点,将这张纸片沿
折叠,使点B与点G重合,则
的外接圆的面积为( )![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ce13774b09ff2edddaf21a072cf60a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/10/542d467c-da35-4fa1-8479-5ab53902ab94.png?resizew=111)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f60be307e8f6a8b4034953a42d60745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b1b15a4605fce993cb13aefbf40360.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914a4da61549b972654a013dced360db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddbf5459b20ca890a47ebf8d51d90cc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ce13774b09ff2edddaf21a072cf60a.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
20-21九年级上·浙江·期末 查看更多[3]
(已下线)【新东方】 初中数学1247初三上(已下线)专题2.48 圆中的折叠问题(培优练)-2023-2024学年九年级数学上册基础知识专项突破讲与练(苏科版)(已下线)专题24.54 圆中的折叠问题(培优练)-2023-2024学年九年级数学上册基础知识专项突破讲与练(人教版)
更新时间:2021-03-30 18:18:03
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【推荐1】如图,在菱形CDEF中,CD=6,∠DCF=120°,动点Q从点D出发以1个单位长度秒的速度沿DE方向向点E运动,同时动点P从点F出发沿FD方向向点D运动,它们同时到达目的地,则运动到多少秒时,QP=QO ( )
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【推荐2】如图,
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【推荐1】如图,矩形
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