如图,AB// CD,Rt△EFG的顶点F,G分别落在直线AB,CD上,GE交AB于点H,∠EFG=90°,∠E=32°.
(1)∠FGE= °
(2)若GE平分∠FGD,求∠EFB的度数.
(1)∠FGE= °
(2)若GE平分∠FGD,求∠EFB的度数.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/1/5fa19c5d-0544-4c0c-aa69-c3d0e3d24d4a.png?resizew=174)
更新时间:2020-02-16 20:20:52
|
【知识点】 三角形折叠中的角度问题解读
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】在学习三角形之后,八(1)班实践课上,乐乐把一个三角形纸片
沿
折叠,使点
落在
内部的点
处.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/23/c6934b97-1025-4ab2-ae68-eafc0b67fc9b.png?resizew=389)
(1)如图1,若
,则
___________°;
(2)利用图1,探究
,
与
之间的数量关系,并说明理由;
(3)如图2,把
折叠后,
,
恰好分别是
与
的平分线,若
,利用(2)中的结论求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/23/c6934b97-1025-4ab2-ae68-eafc0b67fc9b.png?resizew=389)
(1)如图1,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735bd70c2fa2bf51fd7aa448b20d0be1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa61f1be96d581867ea9f074420a2252.png)
(2)利用图1,探究
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5b69d40b75d582c4b8ffa2369af1d41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194741f4d2ae7ee44cafca780361446a.png)
(3)如图2,把
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb1a7ba737016064487e46d53ab1b15b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/868ff1350bd72625328c85c3097cd85e.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图,在
中,
,点D是
上一点,
的垂直平分线交
于点E,将
沿
折叠,点C恰好与点E重合,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fffa3d9c32da53b0ea0c338012ea20c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/19/9989b8c1-f765-4e0d-a3e3-15d2ee610e43.jpg?resizew=151)
您最近一年使用:0次