如图,一个由8个正方形组成的“
”型模板恰好完全放入一个矩形框内,模板四周的直角顶点
,
,
,
,
都在矩形
的边上,若8个小正方形的面积均为1,则边
的长为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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2021·山东济南·中考真题 查看更多[10]
2021年山东省济南市中考数学试题 北京市清华附中(创新班)2021-2022学年八年级上学期9月月考数学试题(已下线)专题27.27 《相似》全章复习与巩固(培优篇)(专项练习)-2021-2022学年九年级数学下册基础知识专项讲练(人教版)2022年广东省珠海市第八中学中考第一次模拟考试数学试题(已下线)热点07 相似三角形-2022年中考数学【热点·重点·难点】专练 山东省济南市天桥区泺口实验学校2022-2023学年九年级上学期数学第一次月考试卷 山东省济南市天桥区济南汇才学校2022-2023学年九年级上学期10月月考数学试题(已下线)专题18图形的相似(精选33道)-学易金卷:三年(2021-2023)中考数学真题分项汇编【山东专用】山东省济南市槐荫区济南第三十中学2023-2024学年九年级上学期10月月考数学试题28-正方形
更新时间:2021-09-09 16:03:48
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【推荐1】如图,平行四边形
的顶点
的坐标分别是
,顶点
在双曲线
上,边
交
轴于
点,且四边形
的面积是
面积的7倍,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
____________
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa7bbd7831e9ff4f8cffc8889d34f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
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【推荐2】如图,正方形ABCD中,
,点E在边CD上,且
,将
沿AE对折至
延长EF交边BC于点G,连接AG、
下列结论:
≌
;
;
;
是等边三角形,其中正确结论有______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98a371feb52b70a7ba91d9e70177601.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d01a7a612de78a4f02baf0a218ab0fc.png)
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【推荐1】已知
中,
,
,若
沿射线
方向平移m个单位得到
,顶点A,B,C分别与顶点D,E,F对应,若以点A,D,E为顶点的三角形是等腰三角形,则m的值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
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【推荐2】如图,在平行四边形
中,
,
的平分线和
的平分线交于点
,若点
恰好在边
上,则
的值为_________ .
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【推荐1】如图,在矩形ABCD中,AB=6,BC=8.如果𝐸、F分别是AD、BC上的点,且EF经过AC中点O,G,H是对角线AC上的点.下列判断正确的有______ .
①在AC上存在无数组G、H,使得四边形EGFH是平行四边形;②在AC上存在无数组G、H,使得四边形EGFH是矩形;③在AC上存在无数组G、H,使得四边形EGFH是菱形;④当AG=
时,存在E、F、G,H,使得四边形EGFH是正方形.
①在AC上存在无数组G、H,使得四边形EGFH是平行四边形;②在AC上存在无数组G、H,使得四边形EGFH是矩形;③在AC上存在无数组G、H,使得四边形EGFH是菱形;④当AG=
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【推荐2】正方形
的边长为4,
为正方形内任意一点,连接
、
、
,
的最小值为____________ .
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【推荐1】如图,正方形
的边长为4,延长
至E使
,以
为边在上方作正方形,延长
交
于M,连接
,
,H为
的中点,连接
分别与
、
交于点N、K.则下列结论:①
;②
;③
;④若点P是
上一点,则
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【推荐2】如图,菱形ABCD中,
,顶点A,C在双曲线
上,顶点B,D在双曲线
上,且BD经过点O.若
,则菱形ABCD面积的最小值是___________ .
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b10109fac3d6ebc0c6358ebb3018a051.png)
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