1 . 如图,在
中,
平分
交
于点D,按下列步骤作图:
步骤1:分别以点C、点D为圆心,大于
的长为半径作弧,两弧相交于
两点;
步骤2:作直线
,分别交
于点
步骤3;连接
,若
则线段
的长为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce7f6d278f2ef7a193b7eed7be6b3c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/693f5778462463351b576ffb40008393.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
步骤1:分别以点C、点D为圆心,大于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b840be5852709e18ea985954545e78d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6670479a0083dd2dfd5ad55b47b1ab6.png)
步骤2:作直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ed1fce01430ae31294c29d626626f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0156caae9b5cabc9b1801b007bc39da4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fbdd93803e139cce24fe064e8371ea7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc4787a3bbf1de6df5d51ce714049d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
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2 . 如图,在
中
平分
,按以下步骤作图:第一步分别以点A、D为圆心,以大于
的长为半径在
两侧作弧,交于两点M、N;第二步,连接
分别交
于点E、F;第三步,连接
,若
,
,
,则
的长是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4cb1a4c5afb590c7c17de14d15651e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0d54431bbb28ebd98db5c1dc6083a75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fbdd93803e139cce24fe064e8371ea7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/454328a8e75953fdb0835ce80d9566e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93bc4c9dd737193f7acce692b23500d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
A.3 | B.4 | C.5 | D.6 |
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2023年吉林省松原市前郭县学区五校中考第五次数学模拟预测题2023年吉林省名校调研卷系列(省命题A)九年级下学期第五次模拟测试数学模拟预测题广东省深圳市罗湖外语初中学校2022-2023学年九年级上学期期末考试数学试卷广东省深圳市深圳实验学校初中部2023-2024学年九年级上学期月考数学试题辽宁省盘锦市大洼区大洼区第二初级中学2023-2024学年九年级上学期期末数学试题广东省深圳市北师大南山附属学校中学部2023-2024学年九年级下学期开学考数学试题2023年新疆克州中考数学模拟预测题2024年广东省汕头市澄海区汕头市澄海中学中考一模数学试题2024年江苏省常州市教科院中考二模数学试题
3 . 在![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a5328919a7cec382c2e91c9c528fc1.png)
中,
,用无刻度的直尺和圆规在![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a5328919a7cec382c2e91c9c528fc1.png)
的边上找一点
,使
为等腰三角形,下列作法不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a5328919a7cec382c2e91c9c528fc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c140c8f9ea942a9d794b00effefe96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a5328919a7cec382c2e91c9c528fc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fa485cf3776f36aaf4abaadaf30fb85.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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4 . 如图,已知
,
,使得
,则下列选项正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/758be240-ae7f-422d-a080-cfe3529068ee.png?resizew=143)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c140c8f9ea942a9d794b00effefe96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f453d11617405becf5ac4c1d9fd357e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/758be240-ae7f-422d-a080-cfe3529068ee.png?resizew=143)
A.![]() | B.![]() |
C.![]() | D.![]() |
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5 . 如图,在
中,
,依据尺规作图痕迹,下列判断正确的是( )
①
;②
; ③
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d9142db4dd2ef151bf3d4a63afb61e.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/236c134aad7d9a21c49c07e924b9a531.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c697facf30880c77a16233cb9938b516.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0517fc0e4ec6b84bc4046a746fb3c3c6.png)
A.①②③ | B.②③ | C.② | D.③ |
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2卷引用:2024年吉林省长春市108中学中考模拟数学试题
6 . 如图,在
中,以点
为圆心,
长为半径作弧,交
于点
,再分别以点
,点
为圆心,以大于
的长为半径作弧,两弧分别交于
,
两点,连结
交
于点
,已知
,
,则
的周长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81613520ab5a478f0b2616a9bcb79d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ad4c0ba3a6750537789844d0ec419d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d649afbddd907f0dfec1420f02f82fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
A.17 | B.16 | C.15 | D.14 |
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7 . 如图,在
中,
,
,通过观察尺规作图的痕迹,可以求得![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e910dce5a57ff0d917e0b4dd620214.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/640e9e7c56e8eeda044fb55396088816.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03c157441734cc2f1853bb3e15b631a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e910dce5a57ff0d917e0b4dd620214.png)
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10卷引用:2024年吉林省四平市第三中学校中考模拟预测数学模拟预测试题
2024年吉林省四平市第三中学校中考模拟预测数学模拟预测试题2024年吉林省四平市初中毕业年级阶段性教学质量检测数学模拟预测题2024年吉林省四平市 初中毕业年级阶段性教学质量检测数学模拟试题2024年吉林省四平市双辽市数学模拟预测题(已下线)2024年广东省深圳市深圳中学共同体中考一模数学试题2024年广东省深圳市深圳高级中学初中部中考一模试题(4月)2024年四川省成都市郫都区九年级中考数学第二次模拟考试试题(已下线)抢分通关05 几何作图问题(含无刻度作图,2易错12题型)-备战2024年中考数学抢分秘籍(全国通用)2024年广东省深圳市南山区桃源中学中考三模数学试题2024年四川省达州市达川区九年级教育质量监测(中考适应性 )数学试题
8 . 如图,在正方形网格中,每个小正方形的边长都为1,的三个顶点均在格点上,请按要求完成下列问题(用无刻度的直尺和圆规作图,且保留必要的作图痕迹):
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ca90e8a784f990c4097eec9219908d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42acd3ee01d9f843a8579ffb0b7d9d82.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b757f0c42ae5c9a2d6a4b19e5877b27.png)
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9 . 如图在6×6网格里有格点,仅用无刻度的直尺在给定网格中画图,按步骤完成下列问题:
(1)在图①中作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
(2)在图②中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c0aa4c793921fdaa5d430cb90d78ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
(3)在图③中线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b8b654cf21f16284328ce5dfaaab52e.png)
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10 . 在
中,
.用无刻度的直尺和圆规任
内部作一个角
,下列作法中
不等于
的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b3f9068c6784ac57d86cb02c172235c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780d8fd6c6c1deeeb45e15f639719e02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780d8fd6c6c1deeeb45e15f639719e02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10卷引用:吉林省长春市二道区2021-2022学年八年级上学期期末数学试题2
吉林省长春市二道区2021-2022学年八年级上学期期末数学试题2吉林省长春市二道区2021-2022学年八年级上学期期末数学试题吉林省长春市绿园区2023-2024学年八年级上学期期末考试数学试题2024年吉林省长春市九台区中考一模数学模拟试题 河南省南阳市淅川县2022-2023学年八年级上学期期末数学试题山东省泰安市肥城市龙山中学2023-2024学年七年级上学期期末数学试题河南省南阳市镇平县2023-2024学年八年级上学期期末数学试题河南省南阳市镇平县2023-2024学年八年级上学期期末数学试题浙江省金华市东阳市2023-2024学年八年级上学期期末数学试题湖南省岳阳市第十八中学2023-2024学年八年级上学期第三次月考数学试题