如图所示,在平面四边形ABCD中,
,BC=3,AC=5,
,∠BCD=135°.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/465d07b7-2b90-4d4e-98f8-7cbc1ce92080.png?resizew=74)
(1)求sin∠ACB;
(2)求AD的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8bc235df1d3cf1b65050cd1907590cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321f96c4f808afe67cf565ca74ae0351.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/465d07b7-2b90-4d4e-98f8-7cbc1ce92080.png?resizew=74)
(1)求sin∠ACB;
(2)求AD的长.
2022·海南海口·模拟预测 查看更多[2]
更新时间:2022-04-28 22:38:45
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