如图,点
、点
是直线
外同侧的两点,请用无刻度的直尺与圆规完成下列作图.(不写作法,保留作图痕迹)
(1)在图1中,在直线
上取点
使得
;
![](https://img.xkw.com/dksih/QBM/2022/5/31/2991345250410496/2994156552167424/STEM/b1dc7b5d-bbb6-4a62-9b1a-a8db41a17a86.png?resizew=220)
(2)在图2中,在直线
上取点
使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
(1)在图1中,在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a47dcfe21804d58fcf67766ae5e4ec19.png)
![](https://img.xkw.com/dksih/QBM/2022/5/31/2991345250410496/2994156552167424/STEM/b1dc7b5d-bbb6-4a62-9b1a-a8db41a17a86.png?resizew=220)
(2)在图2中,在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a201871db58a4862812c2a75662e96.png)
![](https://img.xkw.com/dksih/QBM/2022/5/31/2991345250410496/2994156552167424/STEM/bdb0aa5b-e2a3-492f-b23b-f42367dfef01.png?resizew=218)
2022·江苏无锡·三模 查看更多[5]
2022年江苏省无锡市锡山区无锡市天一实验学校九年级三模数学试题(已下线)第05练 确定圆的条件-2022-2023学年九年级数学上册课后培优分级练(苏科版)江苏省南京市科利华中学2022-2023学年八年级上学期期中数学试题(已下线)专题3.14 确定圆的条件(知识讲解)-2022-2023学年九年级数学下册基础知识专项讲练(北师大版)(已下线)黄金卷06-【赢在中考·黄金8卷】备战2023年中考数学全真模拟卷(江苏无锡专用)
更新时间:2022-06-04 16:50:00
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相似题推荐
解答题-作图题
|
适中
(0.65)
【推荐1】下面是小明同学设计的“作一个角等于已知角的2倍”的尺规作图过程.
已知:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
求作:
,使
.
作法:如图,
①在射线
上任取一点C;
②作线段
的垂直平分线,交
于点D,交
于点E,连接
.
所以
即为所求的角.
根据小明设计的尺规作图过程,
(1)使用直尺和圆规,补全图形(保留作图痕迹);
(2)完成下面证明(说明:括号里填写依据):
证明:
是线段
的垂直平分线,
________(线段垂直平分线上的点与这条线段两个端点的距离相等).
________.(________________).
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/4/c94d6cf6-c3b8-4814-970d-fee8e2fc2a58.jpg?resizew=159)
已知:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
求作:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3981e7286d41960daf4e110c1c84e03a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2819087491af64f7404749255ce23e3.png)
作法:如图,
①在射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
②作线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
所以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3981e7286d41960daf4e110c1c84e03a.png)
根据小明设计的尺规作图过程,
(1)使用直尺和圆规,补全图形(保留作图痕迹);
(2)完成下面证明(说明:括号里填写依据):
证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1949518fc246fbd8426d08f701ade25d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/640fc7981663b0ef82a980cd70b20e98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1793800cf3a31b46c9299a3c02cdd749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d8b11ae89a4b686da58df2d2b52cc7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af7ec6785eeb300f49bfa0d0a8b776ae.png)
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解答题-作图题
|
适中
(0.65)
【推荐2】如图,在
中,
是对角线.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/5/22e21b69-e7b9-47c2-adf2-55f5610ab4ef.png?resizew=186)
(1)利用尺规作线段
的垂直平分线,垂足为点O,交边
于点E,交边
于点F(要求:尺规作图并保留作图痕迹,不写作法,标明字母);
(2)试猜想线段
与
的数量关系,并加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/5/22e21b69-e7b9-47c2-adf2-55f5610ab4ef.png?resizew=186)
(1)利用尺规作线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)试猜想线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐1】如图,在
中,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/23/73e0fb03-2a4a-4b1c-a524-e97506661a58.png?resizew=161)
(1)尺规作图:在射线
上找一点M,使得
;(不写作法,保留作图痕迹)
(2)在(1)的条件下,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/23/73e0fb03-2a4a-4b1c-a524-e97506661a58.png?resizew=161)
(1)尺规作图:在射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ff267b4e9bc24c95c599d2b705671b.png)
(2)在(1)的条件下,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/239398c7334f39ef772480f69198744e.png)
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解答题-作图题
|
适中
(0.65)
【推荐2】用没有刻度的直尺和圆规作图(不写作法,保留作图痕迹).
的边OA上有一点D.过点О求作一条直线l,使点D关于直线l的对称点恰好在OB上;
(2)如图2,已知
.
①求作:以
为一个内角的菱形BEFG,使顶点F在AC边上;
②若
,
,
,则①中作出的菱形BEFG的面积为________________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
(2)如图2,已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
①求作:以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d35d8d8bb0dc17f2f86fe5b230a2b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e071479287e774f7f0990b1a649658f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4fc2d383876afe5be1103352571805b.png)
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解答题-作图题
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适中
(0.65)
名校
【推荐1】如图所示,破残的圆形轮片上,弦AB的垂直平分线交弧AB于点C,交弦AB于点D.已知:AB=16cm,CD=4cm.
(1)求作此残片所在的圆(不写作法,保留作图痕迹);
(2)求(1)中所作圆的半径.
(1)求作此残片所在的圆(不写作法,保留作图痕迹);
(2)求(1)中所作圆的半径.
![](https://img.xkw.com/dksih/QBM/2017/10/16/1796523857739776/1797779003580417/STEM/8f10941301ad47129a78d4505545dfaf.png?resizew=152)
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解答题-作图题
|
适中
(0.65)
【推荐2】在Rt△ABC中,∠C=90°.
(1)按要求尺规作图,保留作图痕迹
①作∠ABC平分线交AC于F点,
②作BF的垂直平分线交AB于M,以MB为半径作圆⊙M;
(2)在(1)所作图形中,证明⊙M与边AC相切;
(3)在(1)所作图形中,若∠CFB=∠CBA,BC=3,求⊙M的半径.
(1)按要求尺规作图,保留作图痕迹
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/16/c700119a-d9ba-4590-a44b-57e95f2f70b0.png?resizew=176)
①作∠ABC平分线交AC于F点,
②作BF的垂直平分线交AB于M,以MB为半径作圆⊙M;
(2)在(1)所作图形中,证明⊙M与边AC相切;
(3)在(1)所作图形中,若∠CFB=∠CBA,BC=3,求⊙M的半径.
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐1】如图,方格纸中的每个小方格都是边长为1个单位的正方形,在建立平面直角坐标系后,
的顶点均在格点上,点B的坐标为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/27/012d21e6-c6fe-4f8e-822b-6dd4c1884461.png?resizew=399)
(1)画出
关于x轴对称的
,写出
点的坐标;
(2)画出将
绕原点O按逆时针旋转
所得的
,写出
点的坐标并求出A运动经过的路径的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c65edad25ddd666cdce0d7e5afefc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/27/012d21e6-c6fe-4f8e-822b-6dd4c1884461.png?resizew=399)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c65edad25ddd666cdce0d7e5afefc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24414f4f8d6af6e0aa1425b634473d2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)画出将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c65edad25ddd666cdce0d7e5afefc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7899544785499bef1ca1d576a515ab53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
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解答题-作图题
|
适中
(0.65)
【推荐2】如图,在平面直角坐标系中,
的三个顶点坐标分别是
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/22/3f8b8782-5b22-4ba0-872b-d0e1c08df95a.png?resizew=270)
(1)将
以
轴为对称轴,翻折得到
,请画出
.
(2)将
绕原点
顺时针旋转
后得到
,请画出
;
(3)以
,
,
为顶点的三角形面积是______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c59f0e35b7ae5206e45878934482b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ef03f452410ab19c6246567c427178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02eea25799267c0a948a6a9ffab2ffd9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/22/3f8b8782-5b22-4ba0-872b-d0e1c08df95a.png?resizew=270)
(1)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
(3)以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
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