如图,四边形ABCD内接于半圆O,AD为直径,设
的面积为S,满足
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/31/6e054fe4-1e35-4d84-bc70-0c6458399759.png?resizew=168)
(1)求
的值;
(2)若BC=CD=3,求直径AD的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/592aaeaf300063bff2205b2cff5b61ff.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/31/6e054fe4-1e35-4d84-bc70-0c6458399759.png?resizew=168)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5cb63aeea0b37799404c8fec092b21d.png)
(2)若BC=CD=3,求直径AD的长.
更新时间:2022-05-23 14:32:38
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