把一副三角板如图甲放置,其中
,
,
,斜边
,
,把三角板
绕着点
顺时针旋转
得到△
(如图乙),此时
与
交于点
,则线段
的长度为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/31/fadcdeaf-b471-48a1-ba8f-22ecb3c60db8.png?resizew=282)
![](https://img.xkw.com/dksih/QBM/2013/12/10/1573689572589568/1573689578602496/STEM/e85c4684ad294f8c8d36e08d4558adf4.png)
![](https://img.xkw.com/dksih/QBM/2013/12/10/1573689572589568/1573689578602496/STEM/59ef71528f974cfa91266b7b5cccc66d.png)
![](https://img.xkw.com/dksih/QBM/2013/12/10/1573689572589568/1573689578602496/STEM/cd0f1199e93742b6b052c5a470b5c1a7.png)
![](https://img.xkw.com/dksih/QBM/2013/12/10/1573689572589568/1573689578602496/STEM/ab6d4012dd5f4fb1b31413654682ee2b.png)
![](https://img.xkw.com/dksih/QBM/2013/12/10/1573689572589568/1573689578602496/STEM/fddfe81d41774ae19c5f622289888f7c.png)
![](https://img.xkw.com/dksih/QBM/2013/12/10/1573689572589568/1573689578602496/STEM/b5d38f10ea2b4d9abd3ba54c6f9e9ea5.png)
![](https://img.xkw.com/dksih/QBM/2013/12/10/1573689572589568/1573689578602496/STEM/0492a43bd155491e80b46a7d22506154.png)
![](https://img.xkw.com/dksih/QBM/2013/12/10/1573689572589568/1573689578602496/STEM/02d4413550124781a7989e4c9f64dc55.png)
![](https://img.xkw.com/dksih/QBM/2013/12/10/1573689572589568/1573689578602496/STEM/91322f28559b413e9db8623b4201ffef.png)
![](https://img.xkw.com/dksih/QBM/2013/12/10/1573689572589568/1573689578602496/STEM/76628802ba5b41f7bc9b7b36f3e24a5d.png)
![](https://img.xkw.com/dksih/QBM/2013/12/10/1573689572589568/1573689578602496/STEM/f7e42e837f6f45d3872d5b071cbfe848.png)
![](https://img.xkw.com/dksih/QBM/2013/12/10/1573689572589568/1573689578602496/STEM/a0e7e858d21843f29d609ea7dfee1cc1.png)
![](https://img.xkw.com/dksih/QBM/2013/12/10/1573689572589568/1573689578602496/STEM/de5b05d60cd24f958a6390251cba0982.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/31/fadcdeaf-b471-48a1-ba8f-22ecb3c60db8.png?resizew=282)
A.![]() | B.![]() | C.4 | D.![]() |
更新时间:2016-12-05 19:02:33
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