在如图所示的正方形方格纸中,每个小的四边形都是相同的正方形,
,
,
,
都在格点处,
与
相交于点
,求
的值.
![](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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a5b5e16e46ac3f6369c44389eb790e1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/4ccb1245-3b78-4a18-a14d-9ae4da686431.png?resizew=177)
22-23八年级上·广东梅州·阶段练习 查看更多[2]
更新时间:2022-11-24 11:00:41
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相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】如图,在
的正方形网格中,每个小正方形的边长都为1.
的周长;
(2)若点
为直线
上任意一点,则线段
的最小值为________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16b91b84cf6c19db7fb12b6964ba46c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
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解答题-作图题
|
适中
(0.65)
【推荐2】如图所示,在平面直角坐标系中,
各顶点都在格点上.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/20/e826feca-06f4-41dd-8fe6-d4efff51e3fd.png?resizew=236)
(1)在图中画出
关于x轴对称的图形
;
(2)
的面积为_________;
(3)填空:
_________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/20/e826feca-06f4-41dd-8fe6-d4efff51e3fd.png?resizew=236)
(1)在图中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)填空:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d4d1dc4e0daa67c367d9c4fc7eace5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83873a9d782f2588c5eedbfe73f9bc2f.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,小明与小颖在
的小正方形网格中画出格点
(格点指小正方形的顶点)小正方形的边长为1.此时,细心的小颖发现利用网格可以提出下列问题,请你帮助小明解答小颖提出的问题:
(1)求
和
的值;
(2)在网格中存在格点
.且
与
不全等,同一位置的格点
只算一个,则符合条件的格点
一共有______个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd4be97adde17423d59d86d18318c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/23/0e48bd8b-a624-460a-93d5-37ca9e2a0fdf.png?resizew=181)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b01adc561735ff5be9bb97266918f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03005d17bf564371ad29fea41f5c650.png)
(2)在网格中存在格点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e685cffae41a4f4c752efd79fb0c3af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
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解答题-问答题
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适中
(0.65)
名校
【推荐2】如图,将矩形纸片ABCD(AD>DC)的点A沿着过点D的直线折叠,使点A落在BC边上,落点为E,折痕交AB边于点F
(1)若BE=1、EC=2,则sin∠EDC= ;
(2)若BE:EC=1:4,CD=9,求BF的长;
(3)若BE:EC=m:n,求AF:FB(用含有m、n的代数式表示)
(1)若BE=1、EC=2,则sin∠EDC= ;
(2)若BE:EC=1:4,CD=9,求BF的长;
(3)若BE:EC=m:n,求AF:FB(用含有m、n的代数式表示)
![](https://img.xkw.com/dksih/QBM/2021/12/1/2863221249769472/2868629356257280/STEM/b731334236714f15b1428d67a292602b.png?resizew=115)
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