如图,在边长为2的正方形
中,点E是线段
上异于A,C的动点,将线段
绕着点B顺时针旋转
得到
,连接
,则
的最大面积为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff39c7aa648afd1080206c8080ff79e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/13/faae113c-ede3-4da8-91bc-8cb791c72b04.png?resizew=156)
更新时间:2024-02-13 19:36:07
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(0.65)
【推荐1】已知点
是抛物线
对称轴上一点,连接
,以点
为旋转中心将
逆时针旋转
得到
,若点
恰好落在抛物线上时,则
的面积为________ .
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【推荐2】二次函数
的图象如图所示,若线段AB在x轴上,且AB=
,以AB为边作等边△ABC,使点C落在该函数第四象限的图象上,则点C的坐标是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7adf7d8633d28a374782ed1b67dcfadc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c62821fa0d0a3316d030a6a20e4a62.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/15/14027765-f905-49b3-9d5e-85b736550ebb.png?resizew=148)
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【推荐1】如图,四边形
中,
,E是边
的中点.已知
,
,当
为直角三角形时,则边
的长是_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d521e4eac0f9177a275b847cb3e7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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【推荐2】在如图所示的正方形网格中,点A,B,C,D,E均是网格线的交点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ae49fbf27fbff3f39b3b0fa5bf9a6ab.png)
_________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ae49fbf27fbff3f39b3b0fa5bf9a6ab.png)
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![](https://img.xkw.com/dksih/QBM/2022/5/8/2974726878371840/2975820136456192/STEM/13e9851e-efdf-4891-88b9-24323f1b2d4a.png?resizew=172)
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【推荐1】如图,点
在正方形
外,连结
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、
,过点
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的垂线交
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;②
;③点
到直线
的距离为
;④
.其中正确的结论是________ .(填写所有正确结论的序号)
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【推荐2】如图,正方形
的边长为4,点E在边
上,
.以点B为圆心,适当长为半径画弧,分别交
于点F,G;以点A为圆心,
长为半径画弧,交
于点H,以点H为圆心,
长为半径画弧,两弧相交于点I;连接
并延长,交
于点M,交
于点P,连接
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的中点,连接
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