如图,在正方形ABCD中,点E在边CD上(不与点C,D重合),AE交对角线BD于点G,
交AE于点G.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/17/056aa6c9-3eb8-43e3-a688-f68a46c51163.png?resizew=159)
(1)若
,线段AF的长度为___________ .
(2)连接AF,EF,若
,正方形ABCD与
的面积之比___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28bbdea60708bebc259452cc5e07ea5a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/17/056aa6c9-3eb8-43e3-a688-f68a46c51163.png?resizew=159)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3ecd251b11589358b308ddc44e086d2.png)
(2)连接AF,EF,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac3d3b55561ec5d4acc242ecd1c7f41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff39c7aa648afd1080206c8080ff79e.png)
20-21八年级下·浙江杭州·期中 查看更多[2]
浙江省杭州市文海实验学校2020-2021学年八年级下学期期中质量检测数学试卷(已下线)难点特训(五)选填压轴50道-【微专题】2022-2023学年八年级数学下册常考点微专题提分精练(浙教版)
更新时间:2023-02-16 17:00:41
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【推荐1】如下图,以长方形
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真题
【推荐1】如图,在平面直角坐标系中,直线l经过原点O,且与x轴正半轴的夹角为
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【推荐1】如图,已知正方形的顶点,
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名校
【推荐2】如图,在平面直角坐标系
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解题方法
【推荐1】如图,在正方形ABCD中,点E在BC上,点F在CD上,连接AE、AF、EF,∠EAF=45°,BE=3,CF=4,则正方形的边长为__________ .
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【推荐2】如图,在正方形
中,点
为
的中点,点
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的延长线上,
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