已知,在□
中,点M、N分别在AD和BC上,点E、F在对角线BD上,且DM=BN,DF=BE.求证:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/26/802cb1ca-eff2-4df6-926c-0233dddf216d.png?resizew=300)
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b558670335eda2d313edd2ac677df31.png)
(2)四边形MENF是平行四边形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/26/802cb1ca-eff2-4df6-926c-0233dddf216d.png?resizew=300)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b558670335eda2d313edd2ac677df31.png)
(2)四边形MENF是平行四边形.
更新时间:2022-09-21 15:56:43
|
相似题推荐
解答题-证明题
|
较易
(0.85)
【推荐2】已知:如图,
是等边三角形,点D在
边上,点C关于直线
的对称点为
,连接
,点P是线段
上的一点,连接
,
,延长
到点E,使
,连接
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8f20e3745b76031e0bf6f5a4a860165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8f20e3745b76031e0bf6f5a4a860165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ac49caae8e3b8869d19beeff98966e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374e2198b495b86b0f8308d28035a3db.png)
您最近一年使用:0次
解答题-证明题
|
较易
(0.85)
【推荐1】如图,四边形
是平行四边形,延长
到点E,使得
,连接
交
于点F.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b85e359dd0247ef957a03a5e6d49aea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43d390df2733a81db86f0556dba8af0f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/3/3287a582-d21f-41fb-8e13-d72ee442d8f7.png?resizew=284)
您最近一年使用:0次
解答题-证明题
|
较易
(0.85)
【推荐2】如图,在
中,
为
边上一点,连接
为
上一点,连接
,且
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb59c3c879e234424a10955e27677b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b30badd7ca33c9df57d91ac60cb6367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a5d3c9ede1b3f621b4c8dc38977b44f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/15/55dd4e20-42d6-487a-b418-4f9e6549654d.png?resizew=204)
您最近一年使用:0次
解答题-证明题
|
较易
(0.85)
【推荐1】如图,E,F,G,H分别是四边形ABCD各边的中点,连接EFGH.
![](https://img.xkw.com/dksih/QBM/2022/4/5/2951487730442240/2952087241580544/STEM/207cb205-555f-4108-bf9d-5d2736d64912.png?resizew=295)
(1)求证:四边形EFGH是平行四边形;
(2)请再添加一个条件,使得四边形EFGH是矩形,(写出添加的条件即可,不用写证明过程).
![](https://img.xkw.com/dksih/QBM/2022/4/5/2951487730442240/2952087241580544/STEM/207cb205-555f-4108-bf9d-5d2736d64912.png?resizew=295)
(1)求证:四边形EFGH是平行四边形;
(2)请再添加一个条件,使得四边形EFGH是矩形,(写出添加的条件即可,不用写证明过程).
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】如图所示,∠1=∠2,∠3=∠4,问四边形ABCD是不是平行四边形.
![](https://img.xkw.com/dksih/QBM/2019/10/8/2307501348257792/2307526520152064/STEM/0e34f16f217a4972817448cd51dbad6e.png?resizew=135)
您最近一年使用:0次