题型:解答题-问答题
难度:0.94
引用次数:2443
题号:14128758
如图,已知
,
.
![](https://img.xkw.com/dksih/QBM/2021/10/9/2825516901416960/2829052419153920/STEM/36ec40586a6a4d7f9b5036c780cdf1c6.png?resizew=155)
(1)试判断BF与DE的位置关系,并说明理由;
(2)若
,
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb570ae4f92277a0ece9a4b449bd4f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d1717b5311ed602f1730e86d9322647.png)
![](https://img.xkw.com/dksih/QBM/2021/10/9/2825516901416960/2829052419153920/STEM/36ec40586a6a4d7f9b5036c780cdf1c6.png?resizew=155)
(1)试判断BF与DE的位置关系,并说明理由;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f2a245381e615882ee5feb7793a1df6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65849c121b105119376681e66fa64d25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67868a097fc9997cfc7fbbbfb7dcb2d3.png)
更新时间:2021-10-14 10:24:47
|
相似题推荐
解答题-问答题
|
容易
(0.94)
【推荐1】如图,直线DE、FM,分别交
的两边于N、G,P、Q,若
吗?如果平行请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1cfb5c9ebab6bc946eb11874ea3f417.png)
![](https://img.xkw.com/dksih/QBM/2019/2/21/2145287741169664/2147827012427776/STEM/88060f6608fc40358c870b3443bd2d65.png?resizew=111)
您最近一年使用:0次
解答题-证明题
|
容易
(0.94)
【推荐2】如图,GM∥HN,EF分别交AB、CD于点G、H,∠BGH、∠DHF的平分线分别为GM、HN,求证:AB∥CD.
![](https://img.xkw.com/dksih/QBM/2020/3/11/2417122313904128/2417471617662977/STEM/ba115daf385f4d16a26da75509702314.png?resizew=136)
您最近一年使用:0次
解答题-问答题
|
容易
(0.94)
【推荐1】已知:如图,∠ADE=∠DEF,∠EFC+∠C=180°,请判断AD与 BC之间的关系,请说明理由.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/8a5425c4-5765-4561-b835-de85b65d950c.png?resizew=144)
您最近一年使用:0次
解答题-问答题
|
容易
(0.94)
【推荐2】如图,直线AB,CD被EF所截,∠1=∠2,∠CNF+∠BMN=180°.试说明:AB∥CD,MP∥NQ.
![](https://img.xkw.com/dksih/QBM/2019/2/14/2140347135868928/2141260159877120/STEM/4bc258b6ef954a649d6fca18ed690702.png?resizew=126)
您最近一年使用:0次