尺规作图(不写作法,保留作图痕迹):
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/b081aec3-5285-42b0-adf8-9f1fb7abef0e.png?resizew=544)
(1)如图①,要在河边
修建一个水泵站
,使
,水泵站
要建在什么位置?
(2)如图②,三条公路两两相交,现计划修建一个油库
,要求油库
到这三条公路的距离都相等,那么如何选择油库
的位置?(请作出符合条件的一个)
(3)如图,在
的正方形网格中,每个小正方形的边长都为1.
①作出
关于直线对称的
(
与
,
与
,
与
相对应);
②在直线
上求作一点
使
的值最小,此时
______.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/b081aec3-5285-42b0-adf8-9f1fb7abef0e.png?resizew=544)
(1)如图①,要在河边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ecb9581622f4820971cc55f480fa531.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)如图②,三条公路两两相交,现计划修建一个油库
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)如图,在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23f3b42cd6069f0e461035e76459ee4.png)
①作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
②在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77f931d48d64ce0b606bc4674d5e0dc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7453b01e05bae8874d569ba31b77cb5.png)
23-24八年级上·江苏连云港·期中 查看更多[2]
更新时间:2023-12-15 14:42:02
|
相似题推荐
解答题-作图题
|
适中
(0.65)
名校
【推荐1】在如图中按照下列要求画图.
![](https://img.xkw.com/dksih/QBM/2022/3/4/2929000929714176/2930987697455104/STEM/e4deee6e-553d-4668-b855-3407ca8525f8.png?resizew=224)
(1)画射线
、直线
.
(2)用直尺和圆规作图(保留作图痕迹).
①作出
的平分线
.
②作出线段
的中点M.
③在
的延长线上作点E,使
.
![](https://img.xkw.com/dksih/QBM/2022/3/4/2929000929714176/2930987697455104/STEM/e4deee6e-553d-4668-b855-3407ca8525f8.png?resizew=224)
(1)画射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)用直尺和圆规作图(保留作图痕迹).
①作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b28f28ced0531d1df34fcf04c6c67f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
②作出线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
③在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/789d2fa74e171e6c42784d3761340a0b.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐2】如图,已知线段a和
.在边
上作点B,在边
上作点C,分别满足下列条件:(要求:用直尺和圆规作图,保留作图痕迹,写出必要的文字说明).
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/15/71197ec2-90e6-4292-8081-f5a6a5a08926.png?resizew=379)
(1)在图①中,
;
(2)在图②中,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/358c69b4f6c350c35d19d33c69f2a2a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/15/71197ec2-90e6-4292-8081-f5a6a5a08926.png?resizew=379)
(1)在图①中,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ada7bad67b4e4d69ebaa19cf57aab89.png)
(2)在图②中,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22b44a62a30c3b1dd3b009d78ec82bd9.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,
.
,
,
三点的
.(不写作法,保留作图痕迹)
(2)连接
并延长,交
于点
,连接
,
.求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07e37b122a7273e1251ea3860e74c896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c3f982d999937891eec4cb22d62e5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cdd9f345915ae742ed3dcd3f9678264.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffc54bcbf9162e1006c6765114272a0d.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐2】如图,已知
,
,
.
边上求作点
,连接
,使
(要求:尺规作图,不写作法,保留作图痕迹);
(2)在第(1)问图中,若
,
求
;
已知经过点
的圆
与
相切于点
,求扇形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6966a27c7410103ae02df73fcce6f62d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3018c687427b6257767eda4a8c6612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/618c5704137191d21172232bdb26b4d8.png)
(2)在第(1)问图中,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7bae5203f4b4acf23779114b3466e17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0cbf0604c1a9bdb08cc54fa6821fa06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c650fe55b7603f106c53ca2423451c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828fcf6ed16b5dae1b572d471f5ed7a7.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】如图,以
的一边
为直径作
的外接圆
,
的平分线
交
于
,交
于
,过
作
交
的延长线于
.
是否是
切线,并证明你的结论;
(2)连接
,若
,
,求点
到直线
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a24ee04b7e461c045431ce83d15a91de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f020051f12188f88c4ab785234f60bde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc34db5860990e51ba31edc8cdd077c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图1,
中,
,
,点
、
分别从
、
两点同时出发,其中点
沿
向终点
运动,速度为
;点
沿
、
向终点
运动,速度为
,设它们的运动时间为
.
(1)当
时,求
的长;
(2)如图2,
于
,求
为何值时,
和
相似.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0bbc68f2a65aea126b6e0d2c1081037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432043f79e122f291c47453013042704.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebc2d9b900111188aca83126dff97f32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebc2d9b900111188aca83126dff97f32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418cb34a5390475fa6d36394282d2142.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/8/39f061d4-471d-4d76-8b9a-bb1815530179.png?resizew=498)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
(2)如图2,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f5a0a6e5b3f489a7032ea5116c96024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.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,下列4×4网格图都是由16个相同的小正方形组成,每个网格图中有4个小正方形已涂上阴影,按下列要求涂上阴影
![](https://img.xkw.com/dksih/QBM/2022/2/9/2912611826106368/2924782507352064/STEM/ada932c1-9696-4ad6-9d4b-bfce1b770ad1.png?resizew=260)
(1)在(图1)中选取2个空白小正方形涂上阴影,使6个阴影小正方形组成一个轴对称图形;
(2)在(图2)中选取2个空白小正方形涂上阴影,使6个阴影小正方形组成一个中心对称图形.(请将两个小题依次作答在图1,图2中,均只需画出符合条件的一种情形)
![](https://img.xkw.com/dksih/QBM/2022/2/9/2912611826106368/2924782507352064/STEM/ada932c1-9696-4ad6-9d4b-bfce1b770ad1.png?resizew=260)
(1)在(图1)中选取2个空白小正方形涂上阴影,使6个阴影小正方形组成一个轴对称图形;
(2)在(图2)中选取2个空白小正方形涂上阴影,使6个阴影小正方形组成一个中心对称图形.(请将两个小题依次作答在图1,图2中,均只需画出符合条件的一种情形)
您最近一年使用:0次
解答题-作图题
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适中
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名校
【推荐2】已知△ABC的三个顶点A,B,C的坐标分别为A(4,0),B(0,-3),C(2,-4).
![](https://img.xkw.com/dksih/QBM/2018/1/17/1862230363201536/1863269209923584/STEM/604441a580784e14a6dcaf9462b8baa1.png?resizew=251)
(1)在如图的平面直角坐标系中画出△ABC关于x轴对称的△A'B'C',并分别写出A′,B′,C′的坐标;
(2)将△ABC向左平移5个单位,请画出平移后的△A″B″C″,并写出△A″B″C″各个顶点的坐标;
(3)求出(2)中的△ABC在平移过程中所扫过的面积.
![](https://img.xkw.com/dksih/QBM/2018/1/17/1862230363201536/1863269209923584/STEM/604441a580784e14a6dcaf9462b8baa1.png?resizew=251)
(1)在如图的平面直角坐标系中画出△ABC关于x轴对称的△A'B'C',并分别写出A′,B′,C′的坐标;
(2)将△ABC向左平移5个单位,请画出平移后的△A″B″C″,并写出△A″B″C″各个顶点的坐标;
(3)求出(2)中的△ABC在平移过程中所扫过的面积.
您最近一年使用:0次