1 . 自圆
外一点
引圆
的两条割线
和
,如图所示,其中割线
过圆心
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/2/ef6942b7-ec55-4a78-a65b-b14c8084a08d.png?resizew=208)
(1)求
的大小;
(2)分别求线段
和
的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218054144a13435580cd132b9459546c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218054144a13435580cd132b9459546c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54d87077425ae6016e8a7cc7293c91fe.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/2/ef6942b7-ec55-4a78-a65b-b14c8084a08d.png?resizew=208)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194741f4d2ae7ee44cafca780361446a.png)
(2)分别求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
您最近一年使用:0次
2016-12-03更新
|
304次组卷
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2卷引用:2016届江西省名校学术联盟高三第一次调研一理科数学试卷