如图,直线
,线段
分别与直线
、
交于点
、点
,满足
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/16/2d84ceda-9927-4bc2-9746-fa3bdd38277d.png?resizew=195)
(1)使用尺规完成基本作图:作线段
的垂直平分线交
于点
,交
于点
,交线段
于点
,连接
、
、
、
保留作图痕迹,不写作法,不下结论);
(2)求证:四边形
为菱形(请补全下面的证明过程),
证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16f3d198e76391779fa3badc848c8ac8.png)
,
______①,
垂直平分
,
,
,
______②
,
______③,
,
,
,
四边形
是 ______④,
,
四边形
是菱形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e03566282ef39ad17821036f228174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7159d113d1301b49171e736384f00131.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/16/2d84ceda-9927-4bc2-9746-fa3bdd38277d.png?resizew=195)
(1)使用尺规完成基本作图:作线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8946331b0a9d86e1a9c78797f3021455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a679040c4d556723e482bacbab41356d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93dd4d854fbc236bccbd97a5d715fe97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc53882f1044379aa1e97058ec270bb4.png)
(2)求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/015572e6a2862542050c335211b3d0f2.png)
证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16f3d198e76391779fa3badc848c8ac8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e03566282ef39ad17821036f228174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51a68009f72334317d070b3b95d72f19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fb6acdcab687e9e1c279f39d3d08f60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d3236110357d25c22bbc64bd7ecf4b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97bccad388b030ba654cf2994e412cd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2de0d10ef8b748d4531250c37c5d3f9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f04885afb1c5eac1980e1062737bb7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62b5745ab14859a65d8160de62e785c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5b6c8b77770c1c350060e891e4c2294.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16798b9a7e95b6adeb95e18f960f2e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/456859f994b8766323823c0ff3a9c440.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2de0d10ef8b748d4531250c37c5d3f9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/015572e6a2862542050c335211b3d0f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c48f615291ac9ea67d6a5279b5ebc74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2de0d10ef8b748d4531250c37c5d3f9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/015572e6a2862542050c335211b3d0f2.png)
2023·重庆开州·一模 查看更多[4]
2023年重庆市开州区书院教育集团中考一模数学试题(已下线)专题25 尺规作图+补全证明过程(35道)-学易金卷:5年(2019-2023)中考1年模拟数学真题分项汇编(重庆专用)重庆市沙坪坝区第八中学校2023-2024学年九年级上学期期末数学模拟试题河南省郑州市郑州二中附属学校2023-2024学年上学期九年级第三次考试数试题
更新时间:2023-12-16 17:15:38
|
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解答题-问答题
|
适中
(0.65)
名校
【推荐1】如图在△ABC 中,AB、AC 边的垂直平分线相交于点 O,分别交 BC 边于点 M、N,连接 AM,AN.
![](https://img.xkw.com/dksih/QBM/2020/2/1/2389459480838144/2389606872383488/STEM/4abc7bfc-3685-49f9-a548-f6ebdb2bd8da.png?resizew=310)
(1)若△AMN 的周长为 6,求 BC 的长;
(2)若∠MON=30°,求∠MAN 的度数;
(3)若∠MON=45°,BM=3,BC=12,求 MN 的长度.
![](https://img.xkw.com/dksih/QBM/2020/2/1/2389459480838144/2389606872383488/STEM/4abc7bfc-3685-49f9-a548-f6ebdb2bd8da.png?resizew=310)
(1)若△AMN 的周长为 6,求 BC 的长;
(2)若∠MON=30°,求∠MAN 的度数;
(3)若∠MON=45°,BM=3,BC=12,求 MN 的长度.
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解答题-作图题
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【推荐2】如图,在所给网格图(每小格均为边长是1的正方形,每个小正方形的顶点称为格点)中完成下列各题:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/23/fde8f3ed-2b9e-40ba-8ca8-22ae5edd76fa.png?resizew=258)
(1)画出格点
(顶点均在格点上)关于直线
对称的图形
;
(2)在
上画出点P,使
最小;
(3)在
上画出点Q,使Q到B,C两点的距离相等;
(4)四边形
的面积为_______.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/23/fde8f3ed-2b9e-40ba-8ca8-22ae5edd76fa.png?resizew=258)
(1)画出格点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4d1d99eab930cef884e01b97d4d56f1.png)
(3)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
(4)四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
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解答题-作图题
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【推荐1】如图,
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/f20b026d-c1be-4d91-8235-c6719f9374e3.png?resizew=138)
(1)用尺规作图作
的外接圆(保留作图痕迹,不写作法);
(2)若
,且
,求外接圆的半径.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/f20b026d-c1be-4d91-8235-c6719f9374e3.png?resizew=138)
(1)用尺规作图作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7099026716ee1821dd7d9f157dc055f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
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解答题-作图题
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【推荐2】如图,已知
,点
在圆上,请以
为一顶点作圆内接正方形
.(保留作图痕迹,不写作法)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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解答题-证明题
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适中
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【推荐1】如图,在正方形
中,
,
是对角线
上两点,
,连接
,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/4/8f5ec94c-68f0-461e-ba03-ddde4c622ac6.png?resizew=148)
(1)求证:四边形
为菱形;
(2)若正方形
的边长为
,
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86d1125b47dec1c5e93143ee59ad862a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/4/8f5ec94c-68f0-461e-ba03-ddde4c622ac6.png?resizew=148)
(1)求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/910936ec9fb419d51ce2f5ea817f8401.png)
(2)若正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d11d7a5473acb23c8ed77ac9b98c8990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
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解答题-证明题
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【推荐2】已知:如图,矩形
中,
是
与
的交点,过
点的直线
与
、
的延长线分别相交于点E、F.
;
(2)当
与
满足什么关系时,以A、E、C、F为顶点的四边形是菱形?并给出证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ff3fe07947f23d6e53d23248be5ba54.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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