如图,在平面直角坐标系中,
的顶点
在
轴上,
,
,以点
为圆心,任意长为半径画弧,分别交
于点
;再分别以点
、点
圆心,大于
的长度为半径画弧,两弧相交于点
,过点
作射线
,交
于点
,则点
的坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e698404fde91350c873592032ea5326.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79684a6e92297749c005e2b23cac9710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa3b68ece9e596ed7d4ec91a117218a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a51949f48ee8cf746851ba779b078e.png)
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23-24八年级下·内蒙古巴彦淖尔·期中 查看更多[3]
内蒙古自治区巴彦淖尔市第二中学2023-2024学年八年级下学期5月期中考试数学试题(已下线)专题10 期末选填压轴题(十一大题型)-【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(山东专用)(已下线)专题6.1 平行四边形的性质(知识梳理与考点分类讲解)-2023-2024学年八年级数学下册基础知识专项突破讲与练(北师大版)
更新时间:2024-06-02 12:41:10
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【推荐1】如图,
是等腰直角三角形,
,A点在x正半轴上,直角顶点B在y轴上,点C在x轴上方.若
平分
,
与x轴交于点E,若点C纵坐标为m,则
长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/12/cd21bbc5-e380-4518-bbe8-039072cc063b.png?resizew=181)
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【推荐2】如图,在平行四边形
中,边
在
轴上,点
,点
,按以下步骤作图:分别以点
,
为圆心,大于
的长为半径作弧,两弧相交于
,
两点;作直线
,交
于点
;连接
,则
的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/12/a3dc9239-c858-403d-8aa8-5238d5c5c4e2.jpg?resizew=220)
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【推荐1】如图,锐角△ABC中,BC>AB>AC,求作一点P,使得∠BPC与∠A互补,甲、乙两人作法分别如下:
![](https://img.xkw.com/dksih/QBM/2019/6/5/2219148556705792/2222905860481024/STEM/777e250de2794fa28c586b5a39f41601.png?resizew=120)
甲:以B为圆心,AB长为半径画弧交AC于P点,则P即为所求.
乙:作BC的垂直平分线和∠BAC的平分线,两线交于P点,则P即为所求.
对于甲、乙两人的作法,下列叙述正确的是( )
![](https://img.xkw.com/dksih/QBM/2019/6/5/2219148556705792/2222905860481024/STEM/777e250de2794fa28c586b5a39f41601.png?resizew=120)
甲:以B为圆心,AB长为半径画弧交AC于P点,则P即为所求.
乙:作BC的垂直平分线和∠BAC的平分线,两线交于P点,则P即为所求.
对于甲、乙两人的作法,下列叙述正确的是( )
A.两人皆正确 | B.甲正确,乙错误 | C.甲错误,乙正确 | D.两人皆错误 |
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【推荐2】如图,在
中,
,以顶点
为圆心,适当长为半径画弧,分别交
于点
,
,再分别以点
,
为圆心,大于
的长为半径画弧,两弧交于点
,作射线
交边
于点
,若
,
,则
的面积是( )
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【推荐1】如图,在四边形中,
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A.平行四边形→菱形→矩形→平行四边形 |
B.平行四边形→菱形→正方形→平行四边形 |
C.平行四边形→菱形→正方形→菱形 |
D.平行四边形→矩形→菱形→平行四边形 |
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【推荐1】如图,在
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【推荐2】如图,在平行四边形ABCD中,连接BD,且BD=CD,过点A作AM⊥BD于点M,过点D作DN⊥AB于点N,且AD=6,DN=3
,在DB的延长线上取一点P,满足∠ABD=∠MAP+∠PAB,则AP的长是( )
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