如图,将长方形
沿着
折叠,点
落在
边上的点
处,已知
,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc12ee7156691f6f532c9fff84fa289.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
A.6 | B.8 | C.10 | D.12 |
23-24八年级上·江苏泰州·期中 查看更多[3]
江苏省泰州市兴化市2023-2024学年八年级上学期期中数学试题2024年海南省定安县第一次中考模拟考试数学试题(已下线)第9章 中心对称图形-平行四边形 全章高频考点专练(4种专练+10个题型+3种思想)原卷版
更新时间:2024-01-14 20:14:27
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【推荐1】如图,矩形纸片
,
,
,折叠纸片,使点
落在
边上的
处,折痕为
,当点
在
边上移动时,折痕的端点
、
也随之移动,若限定点
、
分别在
、
边上移动,则点
在
边上可移动的最大距离为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/25/e3535141-40e5-45d8-87e9-a548b6a9b637.png?resizew=173)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf7679c8b4b1e442ce4286d4b0e9c32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/25/e3535141-40e5-45d8-87e9-a548b6a9b637.png?resizew=173)
A.1 | B.2 | C.4 | D.5 |
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【推荐2】如图,矩形ABCD中,E是AD的中点,将△ABE沿直线BE折叠后得到△GBE,延长BG交CD于点F, 若AB=6,BC=
,则FD的长为( )
![](https://img.xkw.com/dksih/QBM/2019/4/30/2193608235925504/2193871940452353/STEM/39be6d7e-77f2-4785-bbfa-2e74a7a84781.png?resizew=126)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ee05b3210c8964deef8ff771173d288.png)
![](https://img.xkw.com/dksih/QBM/2019/4/30/2193608235925504/2193871940452353/STEM/39be6d7e-77f2-4785-bbfa-2e74a7a84781.png?resizew=126)
A.2 | B.4 | C.6 | D.23 |
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【推荐1】如图,把一个长方形的纸沿对角线
折叠,
的周长为12,则长方形
的周长是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79c5041878c15de69253ca11a03ab1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
A.23 | B.24 | C.25 | D.26 |
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【推荐2】如图,把一张长方形纸片ABCD沿EF折叠,若∠EFG=50°,则∠BGE=( )
![](https://img.xkw.com/dksih/QBM/2020/7/17/2507409244905472/2507738349723649/STEM/8eb1334a75c144af8b3d620fab1e119e.png?resizew=176)
![](https://img.xkw.com/dksih/QBM/2020/7/17/2507409244905472/2507738349723649/STEM/8eb1334a75c144af8b3d620fab1e119e.png?resizew=176)
A.100° | B.90° | C.80° | D.70° |
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