如图,在直角三角形ABC中,
,点D在AB上,点G在BC上,
与
关于直线DG对称,DF与BC交于点E,如果
,那么
与
的数量关系是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d11746005a0e806f2d27f89e3d9e9c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7afc55b4911a1fa183fb4612c6462d95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b3f839ce88bf970aceb44ab939bd5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdbaff54b14910886cfaa1a89a37a233.png)
21-22七年级下·陕西宝鸡·期末 查看更多[3]
陕西省宝鸡市2021-2022学年七年级下学期期末数学试题陕西省咸阳市三原县2021-2022学年七年级下学期期末数学试题(已下线)专题07 期中填选压轴汇编【好题汇编】-备战2023-2024学年七年级数学下学期期中真题分类汇编(上海专用)
更新时间:2022-07-20 09:55:17
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【推荐1】如图,△ABC中,D和E分别是AB和AC的中点,∠ABC的平分线交DE于点F,已知AB=4,BC=7,则EF的长是:________________ .
![](https://img.xkw.com/dksih/QBM/2021/8/11/2783624000585728/2786148399972352/STEM/c6728b52611942af944dee432739da0e.png?resizew=144)
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【推荐2】如图,AB∥CD,∠C=20°,∠A=55°,则∠E=_____ .
![](https://img.xkw.com/dksih/QBM/2016/8/10/1574228811497472/1574228816838656/STEM/95d35d0db4a94cdba24b49cca1dcb957.png?resizew=179)
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【推荐2】如图,
中,
,
,点D为边
上一点,将
沿直线
折叠后,点C落到点E处,若
,则
的度数为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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