如图,P正方形
对角线
上一点.
,E,F分别为垂足,若
,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7db60b2dd4680ae4d794d6995148a12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d4c6580cff0540d6e436ed955d8b2c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
A.5 | B.4 | C.3 | D.![]() |
22-23八年级下·天津滨海新·期末 查看更多[2]
天津市滨海新区2022-2023学年八年级下学期期末数学试题(已下线)专题04特殊的平行四边形的性质与判定(十大题型)【好题汇编】-备战2023-2024学年八年级数学下学期期末真题分类汇编(天津专用)
更新时间:2023-07-23 11:41:09
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【推荐1】如图,矩形
如图放置在平面直角坐标系中,其中
,若将其沿着
对折后,
为点A的对应点,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/607543bb9f55b8a141ed2d6cf0e1a20b.png)
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A.3 | B.4 | C.5 | D.4.5 |
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【推荐2】如图,
中,
,
,点P、Q在
上,且
,
于E,交
于D,连结
.下列结论:①
;②
;③
;④
.其中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/30/500d6a19-c868-4788-9abe-2a95a52479df.png?resizew=188)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/30/500d6a19-c868-4788-9abe-2a95a52479df.png?resizew=188)
A.①② | B.②③ | C.①②④ | D.②③④ |
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名校
解题方法
【推荐1】如图,矩形
和矩形
,
,
,
,点P在边
上,点Q在边
上,且
,连结
和
,M,N分别是
的中点,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b1f13007c6d134c50004c62dc240707.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5adaead91b4b6febfcdd6f995d81e550.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e57a13c665af88f326c9890072bf73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b41d4070854edfaa24071137b314cb.png)
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A.3 | B.6 | C.![]() | D.![]() |
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【推荐2】如图,在矩形
中,对角线
、
交于点
,
,矩形
的面积是
,那么这个矩形的周长是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/551137582e6b5534016fe384b492b13e.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】正方形ABCD的对角线相交于点O,正方形
与正方形ABCD的边长相等.在正方形
绕点O旋转的过程中,两个正方形重叠部分的面积是2,则AD的长为( )
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A.1 | B.![]() | C.2 | D.![]() |
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【推荐2】如图,以长为6的线段AB为边作正方形ABCD,取AB的中点P,连接PD,在BA的延长线上取点F,使PF=PD,以AF为边作正方形AMEF,点M在AD上,则MD的长为( )
![](https://img.xkw.com/dksih/QBM/2019/8/4/2261511613210624/2267770004283392/STEM/bf294d3949344f21aa41a0f40b59f437.png?resizew=99)
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A.93![]() | B.62![]() | C.3![]() | D.![]() |
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