(1)如图,在所给正方形网格图中完成下题:
①画出格点△ABC(顶点均在格点上)关于直线DE对称的
;
②在DE上画出点Q,使
最小.
![](https://img.xkw.com/dksih/QBM/2022/9/29/3076948613513216/3086666107183104/STEM/c5cc0d5c68b04fc8bbaf143753c15150.png?resizew=263)
(2)如图,要把一块三角形的土地均匀分给甲、乙、丙三家农户去种植.如果∠C=90°,∠B=30°,要使这三家农户所得土地的大小、形状都相同,请你试着分一分,(尺规作图,保留作图痕迹).
①画出格点△ABC(顶点均在格点上)关于直线DE对称的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1119ca47ca3c6d5ef5977e8c3432f01.png)
②在DE上画出点Q,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45977a65888e90a0b8fc183cbed9c64.png)
![](https://img.xkw.com/dksih/QBM/2022/9/29/3076948613513216/3086666107183104/STEM/c5cc0d5c68b04fc8bbaf143753c15150.png?resizew=263)
(2)如图,要把一块三角形的土地均匀分给甲、乙、丙三家农户去种植.如果∠C=90°,∠B=30°,要使这三家农户所得土地的大小、形状都相同,请你试着分一分,(尺规作图,保留作图痕迹).
![](https://img.xkw.com/dksih/QBM/2022/9/29/3076948613513216/3086666107183104/STEM/0fddc7a627ee446f998382eb4a138d8d.png?resizew=128)
22-23八年级上·江苏无锡·阶段练习 查看更多[6]
江苏省无锡市宜兴市树人中学2022-2023学年八年级上学期9月月考数学试题吉林省吉林市船营区第二十三中学2022-2023学年八年级上学期期中数学试题江苏省无锡市宜兴市树人中学教育集团2022-2023学年八年级上学期9月月考数学试题山东省烟台市莱阳市2022-2023学年七年级上学期期中数学试题(已下线)第十三章 轴对称(B卷·能力提升练)-【单元测试】2022-2023学年八年级数学上册分层训练AB卷(人教版,广东专用)山东省烟台市2022-2023学年七年级上学期期中数学试题
更新时间:2022-10-13 09:41:10
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解答题-问答题
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【推荐1】如图1,矩形OABC摆放在平面直角坐标系中,点A在x轴上,点C在y轴上,OA=3,OC=2,过点A的直线交矩形OABC的边BC于点P,且点P不与点B、C重合,过点P作∠CPD=∠APB,PD交x轴于点D,交y轴于点E.
(1)若△APD为等腰直角三角形.
①求直线AP的函数解析式;
②在x轴上另有一点G的坐标为(2,0),请在直线AP和y轴上分别找一点M、N,使△GMN的周长最小,并求出此时点N的坐标和△GMN周长的最小值.
(2)如图2,过点E作EF∥AP交x轴于点F,若以A、P、E、F为顶点的四边形是平行四边形,求直线PE的解析式.
(1)若△APD为等腰直角三角形.
①求直线AP的函数解析式;
②在x轴上另有一点G的坐标为(2,0),请在直线AP和y轴上分别找一点M、N,使△GMN的周长最小,并求出此时点N的坐标和△GMN周长的最小值.
(2)如图2,过点E作EF∥AP交x轴于点F,若以A、P、E、F为顶点的四边形是平行四边形,求直线PE的解析式.
![](https://img.xkw.com/dksih/QBM/2019/7/5/2240351877742592/2240843686502400/STEM/ad7cae3d05c34b8f9373de33182a5303.png?resizew=386)
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解答题-作图题
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【推荐2】在如图所示的直角坐标系中,已知
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/6/b0551e85-0d07-4c03-8e76-6e981065f5f9.png?resizew=288)
(1)在图中画出
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(2)
的面积为___________;
(3)在x轴上找一点P,使得
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(1)在图中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)在x轴上找一点P,使得
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解答题-作图题
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【推荐1】如图,已知
,请用尺规作图法,在
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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解答题-作图题
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【推荐2】如图,已知四边形
是平行四边形.
的平分线,交
边于E.(要求:尺规作图并保留作图痕迹,不写作法,标明字母);
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(2)猜想与证明:试猜想线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
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解答题-作图题
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【推荐1】如图,在平行四边形
中,连接
,过点
作
于点
,连接
E.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/10/599ccb2c-d10f-4a04-84ef-1b7111fd1995.png?resizew=166)
(1)用尺规完成以下基本作图:过点
作
于点
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(2)在(1)中所作的图形中,求证:四边形DEBF是平行四边形.完成下面的证明过程.
证明:
,
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___________①___________
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平行四边形![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
,___________②___________
,
在
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___________④___________
四边形DEBF是平行四边形
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(1)用尺规完成以下基本作图:过点
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(2)在(1)中所作的图形中,求证:四边形DEBF是平行四边形.完成下面的证明过程.
证明:
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解答题-作图题
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【推荐2】已知∠AOB,用直尺和圆规作图:
(1)作∠AOB的平分线;
(2)过∠AOB边OA上一点P作边OB的垂线.(不写作法,保留作图痕迹)
(1)作∠AOB的平分线;
(2)过∠AOB边OA上一点P作边OB的垂线.(不写作法,保留作图痕迹)
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【推荐1】如图,已知四边形ABCD和直线l,求作四边形ABCD以直线l为对称轴的对称图形A1B1C1D1.
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解答题-作图题
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【推荐2】如图,在平面直角坐标系中,△ABC三个顶点的坐标为A(1,2),B(4,1),C(2,4).
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/25/7940a955-e0e4-4c40-a594-80eaf8ffc469.png?resizew=173)
(1)在图中画出△ABC关于y轴对称的图形△A′B′C′;
(2)在图中x轴上作出一点P,使PA+PB的值最小;并写出点P的坐标.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/25/7940a955-e0e4-4c40-a594-80eaf8ffc469.png?resizew=173)
(1)在图中画出△ABC关于y轴对称的图形△A′B′C′;
(2)在图中x轴上作出一点P,使PA+PB的值最小;并写出点P的坐标.
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