如图,在边长为1个单位长度的小正方形组成的
的网格中,给出了格点(顶点为网格线的交点)
是过网格线的一条直线.
(1)求
的面积;
(2)作
关于直线
对称的图形
;
(3)在边
上找一点
,连接
,使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23f3b42cd6069f0e461035e76459ee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b34c9e438b76474aa7b9ca0713572c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/9/a01c3b4a-c032-4ac7-a225-14d1910d7357.png?resizew=188)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
(3)在边
![](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/06c66a69a1b244dbebace3a7094e5653.png)
更新时间:2024-03-09 17:32:18
|
相似题推荐
解答题-证明题
|
适中
(0.65)
【推荐1】已知:如图,
为等边三角形
的两条角平分线的交点,求证:
![](https://img.xkw.com/dksih/QBM/2019/11/13/2333054248501248/2333170397331456/STEM/b51c0e17063d482eac8f0f836c54cc69.png?resizew=194)
(1)
平分
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://img.xkw.com/dksih/QBM/2019/11/13/2333054248501248/2333170397331456/STEM/b51c0e17063d482eac8f0f836c54cc69.png?resizew=194)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/242b14a89363fa1e1a3b74ed989a5311.png)
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解答题-证明题
|
适中
(0.65)
【推荐2】如图,
是
的角平分线,
是
的垂直平分线.求证:
.
(2)
.
(3)
.
![](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/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fed26111f78f74696b3d347196a63d5.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6a04b6b10b8b2788f026b95ce367d63.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b027d53067b9649fe91f43c30584700c.png)
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解答题-证明题
|
适中
(0.65)
【推荐3】已知,在等腰直角
ABC中,AB=AC,∠BAC=90°,点D为直线BC上的一动点(点D不与点B、C重合),连接AD,以AD为边向右作等腰直角
ADE, AD=AE,连接CE.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/26/9d84579b-35e6-4f86-8da8-b4a44308d930.png?resizew=365)
(1)填空:当点D在线段BC上,如图(一),可通过证明①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef921a51dbb1652ba44bf088048b736b.png)
,得到BD= ,进而判断②CE,CD,BC三条线段的数量关系为 .
(2)当点D在线段BC的延长线上且其他条件不变,如图(二),(1)中CE,CD,BC三条线段的数量关系是否仍然成立? 如果成立,请说明理由;如果不成立,请写出你的结论,并证明.
(3)当点D在线段CB的延长线上且其他条件不变,请你构造出图形,并写出CE,CD,BC三条线段的数量关系 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db999650f7f40ac6aaf3ff856ea4ca40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db999650f7f40ac6aaf3ff856ea4ca40.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/26/9d84579b-35e6-4f86-8da8-b4a44308d930.png?resizew=365)
(1)填空:当点D在线段BC上,如图(一),可通过证明①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db999650f7f40ac6aaf3ff856ea4ca40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef921a51dbb1652ba44bf088048b736b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db999650f7f40ac6aaf3ff856ea4ca40.png)
(2)当点D在线段BC的延长线上且其他条件不变,如图(二),(1)中CE,CD,BC三条线段的数量关系是否仍然成立? 如果成立,请说明理由;如果不成立,请写出你的结论,并证明.
(3)当点D在线段CB的延长线上且其他条件不变,请你构造出图形,并写出CE,CD,BC三条线段的数量关系 .
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解答题-作图题
|
适中
(0.65)
名校
【推荐1】如图,在
的正方形方格纸中有线段
,点A、B都在小正方形的顶点上,每个小正方形的边长都是1.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/11/5aa13741-08e4-44a4-973e-bc6b237d3561.png?resizew=158)
(1)在图中画出
,且
,点C、D均在小正方形的顶点上;
(2)以
为腰画等腰
,
的面积为12,点E在小正方形的顶点上;
(3)直接写出(2)中所画线段
的长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc4061b4f078613a24d3b485c260f1fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/11/5aa13741-08e4-44a4-973e-bc6b237d3561.png?resizew=158)
(1)在图中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7099026716ee1821dd7d9f157dc055f5.png)
(2)以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfa1a2af7e38d33634c462300df381f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfa1a2af7e38d33634c462300df381f.png)
(3)直接写出(2)中所画线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
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解答题-作图题
|
适中
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名校
【推荐2】如图, 在下列网格中, 每个小正方形的边长均为一个单位, 小正方形的顶点称为网格的格点.
(1) 图1为8×6网格, 点A,点B在格点上,在网格中画出以一个以AB为一边, 点C在格点上,面积为9的等腰
ACB, 此时∠ABC= .
(2)图2为5×3网格,点A,点B在格点上,在网格中找出所有的点C,使得
ABC为等腰三角形,点C在格点上.(在找到的点上标上点C1,C2,C3… )
(1) 图1为8×6网格, 点A,点B在格点上,在网格中画出以一个以AB为一边, 点C在格点上,面积为9的等腰
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
(2)图2为5×3网格,点A,点B在格点上,在网格中找出所有的点C,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://img.xkw.com/dksih/QBM/2021/11/19/2854656373923840/2856267821268992/STEM/2c0b745b-cb25-4c69-b4cf-afc61de69bf9.png)
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解答题-作图题
|
适中
(0.65)
【推荐1】如图,在
网格中,最小正方形的边长为1,点A、B、C都在格点上.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/26/33832d55-306b-45c4-921d-a0d9a27e6818.png?resizew=240)
(1)画出
关于直线l对称的图形
;
(2)点P在直线l上,直接写出
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/444b1ac03dca1c2580e5a9e73c541dca.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/26/33832d55-306b-45c4-921d-a0d9a27e6818.png?resizew=240)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
(2)点P在直线l上,直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/956d46f50fc69b505d9545abfa156a32.png)
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解答题-作图题
|
适中
(0.65)
【推荐2】如图,点A、B、C都在方格纸的格点上,请你再找一个格点D,使点A、B、C、D组成一个轴对称图形,并画出对称轴.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/26/155b607f-6223-4cc3-a883-cd496dbba361.png?resizew=700)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐1】如图,在平面直角坐标系中,三角形
的顶点都在网格格点上,点
坐标为
.
(1)请写出点
,点
的坐标.
(2)将
先向左平移
个单位长度,再向上平移
个单位长度,得到
.请画出平移后的三角形,并写出
点的坐标.
(3)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d02dba7080b2d1e0d7a4a16a48a0d47.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/9/2483fe36-b749-4eb5-85ae-b13c3a706674.png?resizew=299)
(1)请写出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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解答题-问答题
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适中
(0.65)
名校
【推荐2】在如图所示的正方形网格中,每个小正方形的边长都是1,
的顶点都在正方形网格的格点(网格线的交点)上.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/263ce0d4-42f6-412c-9619-d8992b4f49dc.png?resizew=216)
(1)请在如图所示的网格平面内作出平面直角坐标系,使点A坐标为
,点B坐标为
;
(2)请作出
关于y轴对称的
;
(3)写出点
的坐标______;
(4)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/263ce0d4-42f6-412c-9619-d8992b4f49dc.png?resizew=216)
(1)请在如图所示的网格平面内作出平面直角坐标系,使点A坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289ada46dd6a8dd75aba834709f09def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/959e5ab675f526dfb54b05f8f82151b8.png)
(2)请作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
(3)写出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
(4)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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