如图
中,
,
是斜边
的中点,将
绕点
按顺时针方向旋转得到
,点
在
的延长线上,若
,则
的长为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90b40c2b0ab8e1cfe5112d428b4b829f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80cda0cfe113304d510337d7764cdced.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/d54c0974-4eaf-4f08-9e06-ada43bc96a59.png?resizew=151)
更新时间:2022-11-30 18:30:47
|
相似题推荐
填空题
|
较易
(0.85)
【推荐1】李老师在探究等腰三角形“三线合一”性质时,部分板书如图所示,请帮他在横线上填一个适当的结论 __ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/db668647-3cb8-471a-a213-689ec720498c.png?resizew=271)
您最近一年使用:0次
填空题
|
较易
(0.85)
【推荐1】如图,在![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
中,
,由图中的尺规作图痕迹得到的射线
与
交于点E,点F为
的中点,连接
,若B
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
的周长为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787ac5e13622afab5e9f8603afe42356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c029f2663b3fd557c9169e295c353e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3182db896bc2462331796e2a6108363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0215e13a9fb5574d5194aeb9507a98aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/924129a2468e7b5c23066b7cd69f3ee0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61888b860803c053d8d95d36222a0dec.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/9/89120f96-9f6c-4751-8867-36e9d1e6a7b9.png?resizew=224)
您最近一年使用:0次
填空题
|
较易
(0.85)
【推荐2】已知一个直角三角形的两条直角边的长分别是
和
,则这个直角三角形的周长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17faf4d0568f6adb53aa49f605333dc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc89358d3065a2d67a44dae01145ec45.png)
您最近一年使用:0次
填空题
|
较易
(0.85)
名校
【推荐1】如图,在
中,
,点
在
的延长线上,
是
的中点,连接
,若
,则
的度数是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e53982c677cbf74e9ddf8d3483f9c470.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384023e86da24bf73f4e8c0296d3d225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
您最近一年使用:0次
填空题
|
较易
(0.85)
【推荐1】在平面直角坐标系中,将△AOB绕原点O顺时针旋转180°后得到△A1OB1,若点B的坐标为(2,1),则点B的对应点B1的坐标为_____ .
您最近一年使用:0次