1 . 如图,在
中,按以下步骤作图:①分别以点B和C为圆心
的长为半径作弧,两弧相交于点M和N,
,
,
, ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d452f74791f58e8400cb8d2d6038dc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/addb8e20db1fbb40f17dea52f951b907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3032820a0d2d50d9143e7923f5936ddf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7099026716ee1821dd7d9f157dc055f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/1/8998340b-aaa7-4dc6-b5bf-3f825b3c32c2.png?resizew=133)
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2 . 对于题目:“已知
,用直尺和圆规作出
的平分线
”,有以下四种作法,其中作法错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-24更新
|
207次组卷
|
8卷引用:吉林省长春市二道区第一〇八学校2023-2024学年九年级下学期4月月考数学试题
3 . 如图,已知等边
边长为4,点
是边
上一点,
,以点
为圆心,
的长为半径画弧交
于点
,连接
,分别以点
和点
为圆心,大于
的长为半径画弧分别交于点
和点
,作直线
交
于点
,则
的周长等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfb08f6a798dc293f3d8de281190f65e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65026a6b6402cb599e14be8023a3f6a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
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2024-01-23更新
|
96次组卷
|
4卷引用:吉林省白城市通榆县部分学校2023-2024学年九年级下学期第一次模拟考试数学模拟试题
4 . 由小正方形构成的
网格中,每个正方形的顶点叫做格点.
的顶点都在格点上,
经过A、B、C三点,仅用无刻度的直尺在给定的网格中按要求作图(不写作法,保留作图痕迹).
(1)图①中,画出
的圆心
;
(2)图②中,在
边上找到一点
,使得
平分
;
(3)图③中,在
上找到一点
(不与点
重合),使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd4be97adde17423d59d86d18318c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/11/bbac5480-8e02-4d88-a9bd-eedb462b96b6.png?resizew=423)
(1)图①中,画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(2)图②中,在
![](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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
(3)图③中,在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71d5516c316f7a16de9ea235def2d1b5.png)
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5 . 如图,在
中,
,按以下步骤作图:①分别以点A和点B为圆心,大于
一半的长为半径作圆弧,两弧相交于点M和点N,作直线
,交
于点D.②分别以点A和点C为圆心,大于
一半的长为半径作圆弧,两弧相交于点P和点Q,作直线
,交
于点E;③连结
、
.若
,则
的大小为__________ 度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29edec1f0ccd57a096fa9ef344d23568.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51cdee6c0ca0767830201ff7c2bfcb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e7106619c08f2bcc1d21f846e8a0de.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/11/d1b9e795-f929-4dfd-a855-b809f761f1d4.png?resizew=208)
您最近一年使用:0次
6 . 如图,在
中,分别以点A和点B为圆心,大于
的长为半径画弧,两弧相交于点
作直线
,交
于点D,连接
.若
周长为
,
,则
的周长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d49404351575703cfe8325d1352ec9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66908dc5f95ee4020278fba687d4bf8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c748e40ba21ac5063d3bccaa57ef278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a783e5ffcf7a4ea9e531ea76199487.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/6/25869fb5-b0ce-4ab5-8e65-de3c4522395d.png?resizew=185)
您最近一年使用:0次
2024-01-11更新
|
87次组卷
|
2卷引用:吉林省长春市朝阳区2023-2024学年八年级上学期期末数学试题
7 . 如图,在
的正方形网格中,每个小正方形的边长均为1,请在给定网格中按下列要求画图并回答问题:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/10/06210e42-1030-4738-aec0-33fa4b4c9c5e.jpg?resizew=126)
(1)在网格中画
,使
的三个顶点都在小正方形的格点上,
三边的长分别为
.
(2)判断
的形状,并说明理由.
(3)求作点
,使
,且点
到
的距离相等.(保留作图痕迹)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd4be97adde17423d59d86d18318c2c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/10/06210e42-1030-4738-aec0-33fa4b4c9c5e.jpg?resizew=126)
(1)在网格中画
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eb46a5e933ade764ceb56830867ea3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f92c253557aebc9d061a61d07ad79e0f.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)求作点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d99c32010454333ca6066b003854e42e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b5faf97cb142c3cbab7d3dcaece581.png)
您最近一年使用:0次
8 . 如图,在直角三角形
中,
,点D在射线
上从点C出发向点A方向运动(点D不与点A重合),且点D运动的速度为
,设运动时间为x秒时,对应的
的面积为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/25/4b6eb7ea-6363-41df-8580-8607d6e53c54.png?resizew=205)
(1)填写如表:
(2)在点D的运动过程中,出现
为等腰三角形的次数有_______次,请用尺规作图,画出
(保留作图痕迹,不写画法);
(3)求当x为何值时,
的面积是
的面积的
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92980ca311ea8277b78e3fd1c0ff8c99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebc2d9b900111188aca83126dff97f32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d740004cfdade4c185f722dadc27e15.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/25/4b6eb7ea-6363-41df-8580-8607d6e53c54.png?resizew=205)
(1)填写如表:
时间x秒 | … | 2 | 4 | 6 | … |
面积y![]() | … | ![]() | ______ | _______ | … |
(2)在点D的运动过程中,出现
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
(3)求当x为何值时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
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名校
9 . 如图是6×6的正方形网格,每个小正方形的顶点称为格点,点A、B、C、E、F都是格点.
(1)若点D满足
与
全等(点D与点E不重合),则所有符合条件的点D共有_____个.(无需画图)
(2)只用无刻度的直尺,在给定的网格中,按要求画图:在
的内部画一点P,使得点P到点E和点F的距离相等,并且到
和
的距离也相等.(不写画法,保留画图痕迹)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/21/157fd8ed-6ef7-4442-9363-3634f2aa3b47.png?resizew=163)
(1)若点D满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfa1a2af7e38d33634c462300df381f.png)
(2)只用无刻度的直尺,在给定的网格中,按要求画图:在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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2023-12-10更新
|
89次组卷
|
2卷引用:吉林省长春市南关区东北师大附中2023-2024学年八年级上学期期中数学试题
2023七年级上·全国·专题练习
10 . 如图,在
中,
,以点C为圆心,
长为半径作弧交
于点D,分别以D,B为圆心,大于
长为半径作弧,两弧相交于点E,作射线
交
于点F,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b881ad459aea358644f88c0bb89a4bb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65026a6b6402cb599e14be8023a3f6a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd94dd51562ecbee6edd4265326b765.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-11-22更新
|
105次组卷
|
4卷引用:2023年吉林省长春市第一〇八学校中考数学四模模拟预测题
2023年吉林省长春市第一〇八学校中考数学四模模拟预测题2023年吉林省长春市净月实验中学九年级中考第四次模拟考试数学模拟预测试题(已下线)专题03 角(五大题型)-2023-2024学年七年级数学上册《知识解读·题型专练》(北师大版)河南省郑州市第八十二中学2023-2024学年八年级下学期第一次学情调研数学试题