如图,
的顶点A、B在反比例函数
的图象上,
,
,将
沿直线
翻折,得到
,点A的对应点为点C,线段
交x轴于点D,则
的值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edeed0665fc1a8e99ceb7911fe137390.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ec371d5dbc19d236bf8a1f084031e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/467fa1170332b2e556e5f42fe6e2237c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebcc52a06d806fde891e09a0a389fcd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/501dc6babe43bd4d7e669b5dcea40945.png)
![](https://img.xkw.com/dksih/QBM/2021/4/30/2711051652775936/2711115112579072/STEM/ff2d0001-0a3a-418a-8915-f2f0c983e002.png?resizew=166)
更新时间:2021-04-30 19:20:43
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【推荐1】如上图所示,矩形ABCD的顶点A、D在双曲线
(
)上,顶点C、B分别在x轴、y轴的正半轴上,且AB=2BC,在矩形ABCD右侧作正方形DEFG,顶点F在双曲线
上,顶点E在x轴的正半轴上,则点F的坐标为____ .
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【推荐2】如图,已知反比例函数
与正比例函数
的图象,点
、点
与点
均在反比例函数的图象上,点
在直线
上,四边形
是平行四边形,则
点的坐标为_________ .
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【推荐1】如图,在
中,
是锐角,以
为斜边在
内部作一个等腰直角三角形
,过点D作
于点E,交
于点F,若F为
的中点,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f76e37d6e6b182896ccaaa187cfe07.png)
______ .
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【推荐2】如图是一张矩形纸片
,点E在边
上,且满足
,把
沿直线
折叠,使点B落在点F处,
的延长线与边
交于点G.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7370954e60fd8b4921c57871d6494fa0.png)
_____ .
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【推荐1】图,在⊙O中,AC,BD是直径,∠BOC=60°,点P是劣弧AB上任意一点(不与A、B重合),过点P作AC垂线,交AC、BD所在直线于点E,F,过点P作BD垂线,交BD、AC所在直线于点G、H,下列选项中,正确的是____________ .
①
;②∠GPE=60°;③PG+PE最大值为
;④当△PEH≌△CBA时,
.
①
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【推荐2】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=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d59ab85c075a09d55d69e159e4abb268.png)
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【推荐1】已知
是平面直角坐标中的一点,点
是
轴负半轴上一动点,连接
,并以
为边在
轴上方作矩形
,且满足
,设点
的横坐标是
,如果用含
的代数式表示
点的坐标,那么
点的坐标是_____ .
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【推荐2】如图,已知
中,
,以
为原点,以
所在直线为
轴建立坐标系.反比例函数的图象分别交
,
于点
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