如图,AD⊥BC,垂足为D,点E、F分别在线段AB、BC上,∠CAD=∠DEF,∠C+∠ADE=90°.
(1)求证:DE∥AC;
(2)判断EF与AD的位置关系,并证明你的猜想.
(1)求证:DE∥AC;
(2)判断EF与AD的位置关系,并证明你的猜想.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/16/4c4a3216-590a-4e8c-9d13-b4efb07493dd.png?resizew=141)
更新时间:2020-04-02 07:04:29
|
【知识点】 同位角相等两直线平行解读
相似题推荐
解答题-问答题
|
较易
(0.85)
【推荐1】如图,直线
、
交直线
于点
、
,过
上的点
作
于点
,若
,
,判断直线
、
是否平行?并说明理由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6303a11d0f57aa39e4ca8f9423508de2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d5dcbafd8b9f1f570b329534dae9b5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93054250a9e9916270e47f30f5ae2bf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/19/9141299e-ce65-40f7-ac1d-d4bb93a0f73f.png?resizew=153)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】已知:如图,CF平分∠ACM,∠1=72°,∠2=36°,判断CM与DN是否平行,并说明理由.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/23/03eb8faf-8c5b-41cd-952a-afcad1a54609.png?resizew=372)
您最近一年使用:0次