如图
的三个顶点均在边长为
的正方形网格的格点上.
![](https://img.xkw.com/dksih/QBM/2021/5/11/2718819894575104/2793180110389248/STEM/86b9e922-fe00-471a-9eb9-63e144408e41.png)
(1)求
各边边的长
(2)求
的面积
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://img.xkw.com/dksih/QBM/2021/5/11/2718819894575104/2793180110389248/STEM/86b9e922-fe00-471a-9eb9-63e144408e41.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
更新时间:2021-08-24 18:02:23
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相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】如图,已知
,
.
![](https://img.xkw.com/dksih/QBM/2019/12/4/2347759420858368/2348346351435777/STEM/94bfc533-bc49-43e2-991e-288760ca108a.png?resizew=251)
(1)在以下四个格点中,与
、
两点不能构成等腰三角形的点是( )
A.
B.
C.
D. ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
(2)以线段
为直角边作
,
为图中所给的格点,这样的
点有几个?写出它们的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71885f023172807ad43f2c9a670aa960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d3bfa155ad67018da4d65815c5e5b8.png)
![](https://img.xkw.com/dksih/QBM/2019/12/4/2347759420858368/2348346351435777/STEM/94bfc533-bc49-43e2-991e-288760ca108a.png?resizew=251)
(1)在以下四个格点中,与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2a5e336b6bcba6354fd366c892dd06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd243fab0af865af67a2ab817e909cf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
(2)以线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7281b641656a5992abaafb4190ca9afc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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解答题-作图题
|
适中
(0.65)
【推荐2】如图是规格为8×8的正方形网格,请在所给网格中按下列要求操作:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/21/11c07271-95b4-4f54-81e6-b936ad624981.png?resizew=168)
(1)在网格中建立平面直角坐标系,A点
,B点
.
(2)在第二象限内的格点上画一点C,使点C与线段
组成一个以
为底的等腰三角形,且腰长是无理数,则C点坐标是 .
(3)画出
关于y轴对称的
.
(4)求
的周长= (保留根号);
的面积= (直接写答案).
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/21/11c07271-95b4-4f54-81e6-b936ad624981.png?resizew=168)
(1)在网格中建立平面直角坐标系,A点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1499f8d35d5eb85946e3f2927da23a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e1dbcbbd5f387a864eef1c588746f7f.png)
(2)在第二象限内的格点上画一点C,使点C与线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(3)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
(4)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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,在平面直角坐标系中,
的三个顶点坐标分别为
,
,
,格点
在
上,请用无刻度的直尺,按要求完成下列画图,并回答相关问题.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/73dca12a-cece-458f-8c5d-661ca6b056d8.png?resizew=203)
(1)将
绕点
逆时针旋转
得到
,点
随之旋转,画出
,并写出点
的对应点
的坐标______;
(2)画
的角平分线
;
(3)在
上取点
,使
;
(4)找格点
,使
,直接写出点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c179fe7eff7abfdd092b63c9c1b82d0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ec42e55b8069a1c65d010e9b6080a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5159a1a4db70dcc74f2e380b8a3dd499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/73dca12a-cece-458f-8c5d-661ca6b056d8.png?resizew=203)
(1)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b3bd5e6bc2a0a277d279bb01af9584.png)
(2)画
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca2698f08d94afa1cd5b81444791f4c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
(3)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b15fd5370fedb2cfe465a79365f9a8.png)
(4)找格点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1359a03f308d3f47e58b156805de5c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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解答题-证明题
|
适中
(0.65)
名校
【推荐2】如图,正方形网格中的
,若小方格边长为1,请证明
为直角三角形,并求出其面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/2021/8/12/2784597114691584/2799350069100544/STEM/e46a5902-31fa-4af2-b796-417b3ba6fb8b.png?resizew=196)
您最近一年使用:0次