如图,网格中每个小正方形的边长均为1,已知三点A(-1,2),B(-4,-3),C(1,-1),把三角形ABC向右平移3个单位长度,再向上平移2个单位长度,得到三角形
.
(1)请画出三角形
;
(2)写出点
、
、
的坐标
(3)连接
、
,求三角形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b16cff607cdc2d69afc70dc778acbb.png)
(1)请画出三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b16cff607cdc2d69afc70dc778acbb.png)
(2)写出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(3)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15e58659e6ee4d93650e2edb6d6f7ff.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/17/96c5388e-fc30-4c2d-8fb9-a886181390cc.png?resizew=268)
更新时间:2020-07-06 23:29:36
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解答题-作图题
|
适中
(0.65)
【推荐1】如图,在边长为1个单位长度的小正方形组成的网格中,
的顶点均在格点上.
![](https://img.xkw.com/dksih/QBM/2020/5/9/2458897659846656/2459111379787776/STEM/b4da7f45-f428-45f7-9a7f-592741c509f0.png?resizew=219)
(1)请建立合适的平面直角坐标系,使点
,
的坐标分别为
和
,并写出点
的坐标为___________;
(2)在(1)的条件下.①
中任意一点
经平移后对应点
,将
作同样的平移得到
,请画出
,并直接写出点
的坐标;
②点
在
轴上,且
,则点
的坐标为__________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/2020/5/9/2458897659846656/2459111379787776/STEM/b4da7f45-f428-45f7-9a7f-592741c509f0.png?resizew=219)
(1)请建立合适的平面直角坐标系,使点
![](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/fb0e705301752424a492f6277ed7774e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636e471cf2e1904f72ca6ad4c8f0378a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)在(1)的条件下.①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/734727f3d3f353863fa9f3bb92f7b254.png)
![](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/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
②点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd7cf21fcb9bebe2d15cedad30181b2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
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解答题-问答题
|
适中
(0.65)
【推荐2】如图,在平面直角坐标系中,点A坐标为(0,3),点B坐标为(2,﹣1).
(Ⅰ)点C在第一象限内,AC
x轴,将线段AB进行适当的平移得到线段DC,点A的对应点为点D,点B的对应点为点C,连接AD,若三角形ACD的面积为12,求线段AC的长;
(Ⅱ)在(Ⅰ)的条件下,连接OD,P为y轴上一个动点,若使三角形PAB的面积等于三角形AOD的面积,求此时点P的坐标.
(Ⅰ)点C在第一象限内,AC
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
(Ⅱ)在(Ⅰ)的条件下,连接OD,P为y轴上一个动点,若使三角形PAB的面积等于三角形AOD的面积,求此时点P的坐标.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】如图,在平面直角坐标系中,将一块等腰直角三角板
放在第二象限,
,点C坐标为
,点A的坐标为
,一次函数
的图象经过点B、C,反比例函数
的图象也经过点B.
(2)直接写出当
时,
的解集;
(3)将三角板
沿直线
向上平移,使点C的对应点
与点B重合,此时点A的对应点
能否刚好落在反比例函数
的图象上?为什么?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b39e1056746a6f8f27d9d65185314e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e37c6cb3fb803d099517c34a87515bd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05621b18b7ffc991d9f30380e2e08fea.png)
(2)直接写出当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e7a7aff4e7663a7e3228018a1db665.png)
(3)将三角板
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05621b18b7ffc991d9f30380e2e08fea.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,三角形
中任意一点
经平移后对应点为
,
,
,
,将三角形ABC作同样的平移得到三角形
.
三点的坐标,并画出三角形
;
(2)求三角形
的面积;
(3)已知点P在y轴上,且三角形
的面积等于三角形
的面积,求P点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80087bbf660969f4a7808b2e2c5a1a76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/517a56bf899300a6d2f639ce0e33ed4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316ba5cbb31299d683ac6c7dd795db85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/656de1832d5046c5c0d242372ff48c08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b16cff607cdc2d69afc70dc778acbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b91bac9868f1abc4000af737872e28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b16cff607cdc2d69afc70dc778acbb.png)
(2)求三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(3)已知点P在y轴上,且三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
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