已知:如图,在
中,
,垂足是D,E是线段
上的点,且
,
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff29971ccc633d89832ffa9bd54afa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3620030e8808da46df97330103827913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/302a8692e9810a569e0ff38a140cead1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/21/f443fbc1-c278-48f4-91f3-4a539f89c4a7.jpg?resizew=133)
更新时间:2024-01-21 12:52:01
|
【知识点】 用SAS直接证明三角形全等(SAS)解读
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】在平面直角坐标系中,点
,点
,将
绕点B顺时针旋转,得
,点A,O旋转后的对应点为
,
,记旋转角为
.
时,点
的坐标为______,点
的坐标为______;
(2)如图②,当
时,求点
的坐标;
(3)连接
,设线段
的中点为M,连接
,求线段
的长的最小值(直接写出结果即可).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0d1e4a02f6a99a4b838dcaf9541d7f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1bd9e1ebf9609e41bb0309a61650dcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dabe8be93ab57287ca5751ca98fce8ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12fe32dfbd66709875c5b9f79c9496da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c69a23d106fd34aa17b22e9c9a8de36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12fe32dfbd66709875c5b9f79c9496da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
(2)如图②,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97cf714ffb3fd5917a76b191640b55fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
(3)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48fce10478485ef01d2318fc3465bb4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48fce10478485ef01d2318fc3465bb4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6072f215a1d76152831efea49910d2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6072f215a1d76152831efea49910d2a.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
真题
【推荐2】如图,在平行四边形
中,对角线
与
交于点O,点M,N分别为
、
的中点,延长
至点E,使
,连接
.
![](https://img.xkw.com/dksih/QBM/2020/7/21/2510548940931072/2510572059287552/STEM/6956910e-74cb-4eb7-ac65-a6b8cb6313e1.png)
(1)求证:
;
(2)若
,且
,
,求四边形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82d87584318399e55c36c27f1e3e9a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://img.xkw.com/dksih/QBM/2020/7/21/2510548940931072/2510572059287552/STEM/6956910e-74cb-4eb7-ac65-a6b8cb6313e1.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f9eb165cf9ea8adba3a967096446e90.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/525cef76ab5396af0846205d665388bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/772e1de05d1b8647460dd44fbd8426b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17dea6aa2b6d8362542af3a7a8d55c08.png)
您最近一年使用:0次