解题方法
1 . 如图,
为等腰直角三角形,
,
为斜边
的高,点
在射线
上,则
的最小值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/20/a5731107-26e0-4912-b0b5-6b0be1cb9b65.png?resizew=129)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52705567101a48893de582656ef41527.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0552a833734ec64cae6a0d8d3e23fab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/20/a5731107-26e0-4912-b0b5-6b0be1cb9b65.png?resizew=129)
A.![]() | B.![]() | C.![]() | D.0 |
您最近一年使用:0次
2 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ee6d79d90e477e762c3b95cfba699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21d35f3170e5539209c271926ce7ca86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e8fe347df91c42cbf5aec5d924f33d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ee6d79d90e477e762c3b95cfba699.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次