如图,在方格纸中,每个方格的边长为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/5/f964101f-9321-49fc-9301-f89428da06c0.png?resizew=172)
(1)画出四边形
关于直线l对称的图形四边形
;
(2)四边形
的面积为___________;
(3)直线l上存在一点P,
与
之和最短,请画出P点的位置(保留作图痕迹).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/5/f964101f-9321-49fc-9301-f89428da06c0.png?resizew=172)
(1)画出四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d609847e2ff3d64e5a514582c3ead0e.png)
(2)四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
(3)直线l上存在一点P,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcfaca9396f85c0137b534903321fcbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d48943db264c08adaf6ae0766fd56459.png)
更新时间:2023-07-03 16:09:16
|
相似题推荐
解答题-作图题
|
较易
(0.85)
【推荐1】如图,一条小路m的两侧有两栋居民楼,分别记作点A和点B,计划在小路m上建一座亭子P,供居民休息,且点P到A,B的距离之和最小.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/24/0c535c81-ca45-489c-90fc-28fe0cd77179.png?resizew=219)
(1)小明说:连接
,交直线m于点P,则点P即为所求.请根据小明的叙述画出图形,并说明这种画法的依据;
(2)若两栋居民楼A,B之间的距离为200米,
的中点处放置一石凳C,
的中点处放置一石凳D,求石凳C,D之间的距离.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/24/0c535c81-ca45-489c-90fc-28fe0cd77179.png?resizew=219)
(1)小明说:连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)若两栋居民楼A,B之间的距离为200米,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】如图,已知平面内有四个点A,B,C,D.
![](https://img.xkw.com/dksih/QBM/2022/1/21/2899008510533632/2899863533076480/STEM/2175f368-bfc7-46f8-97fb-0573aa244d07.png?resizew=161)
根据下列语句按要求画图.
(1)连接AB;作直线AD.
(2)作射线BC与直线AD交于点F.
观察图形发现,线段AF+BF>AB,得出这个结论的依据是: .
![](https://img.xkw.com/dksih/QBM/2022/1/21/2899008510533632/2899863533076480/STEM/2175f368-bfc7-46f8-97fb-0573aa244d07.png?resizew=161)
根据下列语句按要求画图.
(1)连接AB;作直线AD.
(2)作射线BC与直线AD交于点F.
观察图形发现,线段AF+BF>AB,得出这个结论的依据是: .
您最近一年使用:0次
解答题-证明题
|
较易
(0.85)
名校
【推荐1】如图,
中,
,
,
⊥
于点
,
⊥
于点
,
与
相交于
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/7/93a30fbc-bf21-412e-adcb-e264d4d46fc4.png?resizew=164)
(1)求证:
;
(2)若
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c029f2663b3fd557c9169e295c353e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd8d130ca692de83573a0ab15fd72968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0213c5787a5a6b38d11bceca5567f67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0213c5787a5a6b38d11bceca5567f67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/7/93a30fbc-bf21-412e-adcb-e264d4d46fc4.png?resizew=164)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efd36b914fa8ab60a2c43bc9e38f1ce6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be9723635d46664a92d3af26362dfea3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79ff575e55857af133edb24c8e61504f.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】如图,长为
的橡皮筋放置在水平面上,固定两端A和B,然后把中点C向上竖直拉升
到点D,则橡皮筋被拉长了多少厘米?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/689ff84e2d7f52c7446ef789a54557da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80b1fe1b971b780e443a9b13621611c5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/20/0a32276d-32e6-4022-8746-736734bcb503.png?resizew=166)
您最近一年使用:0次
解答题-作图题
|
较易
(0.85)
【推荐1】在如图所示的正方形网格中,每个小正方形的边长都为1,
,
的顶点都在网格线的交点上,在图中建立平面直角坐标系,使
与
关于y轴对称,且点C的坐标为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/3cc4b069-88d0-40c2-a8c9-116f571d54c3.png?resizew=222)
(1)在图中建立平面直角坐标系,并写出点E的坐标为__________;
(2)作出
关于x轴对称的
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e67da1bf51e5f87750a63dc9e856ee87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e67da1bf51e5f87750a63dc9e856ee87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc30165c18de623d0a3efb961e606d1c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/3cc4b069-88d0-40c2-a8c9-116f571d54c3.png?resizew=222)
(1)在图中建立平面直角坐标系,并写出点E的坐标为__________;
(2)作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
您最近一年使用:0次
解答题-作图题
|
较易
(0.85)
【推荐2】如图,在正方形网格中,每个小正方形的边长均为1,
ABC的三个顶点都在格点上,结合所给的平面直角坐标系,解答下列问题:
(1)请画出
ABC关于x轴成轴对称的
A1B1C1,并写出点A1的坐标;
(2)请画出
ABC关于点O成中心对称的
A2B2C2,并写出点A2的坐标;
(3)
A1B1C1与
A2B2C2关于某直线成轴对称吗?若是,请写出对称轴;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
(1)请画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
(2)请画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://img.xkw.com/dksih/QBM/2022/1/9/2890544254689280/2890896011223040/STEM/f2841348-0a5e-4091-b111-64bfcb6bf13f.png?resizew=346)
您最近一年使用:0次
解答题-作图题
|
较易
(0.85)
【推荐1】在如图所示的平面直角坐标系中(每个小方格都是边长为1个单位长度的正方形),解答下列问题:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/7/6b37f8d0-e9e9-4c34-9b34-360ab996d31c.png?resizew=186)
(1)画出与
关于y轴对称的
;
(2)画出以
为旋转中心,将
顺时针旋转
后的
;
(3)连接
,直接写出
的面积.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/7/6b37f8d0-e9e9-4c34-9b34-360ab996d31c.png?resizew=186)
(1)画出与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)画出以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d542d6a10970a4f6ca6a495e6b9c1c.png)
(3)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/473913c0887bb64d386f4c02f1853452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d9e517daf29d14b8dc3ae0522e1065.png)
您最近一年使用:0次
解答题-作图题
|
较易
(0.85)
名校
【推荐2】如图,已知点
是坐标原点,小方格的边长为1,
.
(1)以点
为位似中心,在
轴的上方将
放大到原图的2倍,(即新图与原图的相似比为2),画出对应的
;
(2)直接写出四边形
的面积:________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baca988e757625c577e02752422a72d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/15/6940dce3-e00c-4e47-8ee4-304331f74f36.png?resizew=262)
(1)以点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c021993da445858448d368df42554c8b.png)
(2)直接写出四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c071f682e527ecb1b9ab5ed19b2a6bd.png)
您最近一年使用:0次