如图,在直角坐标系中,矩形
的顶点
在坐标原点,边
在
轴上,
在
轴上,如果矩形
与矩形
关于点
位似,且矩形
的面积等于矩形
面积的
,那么点
的坐标是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85fff1dd4920f99effb1d47fdfa24a1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85fff1dd4920f99effb1d47fdfa24a1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://img.xkw.com/dksih/QBM/2022/11/18/3112156117483520/3113910403735552/STEM/b0bcdc89506f4550878a818297be6844.png?resizew=170)
17-18九年级·河南南阳·期中 查看更多[5]
2017-2018学年河南省南阳市宛城区九年级(上)期中数学试卷山东省聊城市2019-2020学年九年级上学期11月月考数学试题2020年安徽省合肥市中考数学二模试题广东省佛山市华英中学2022-2023学年九年级上学期月考数学试卷(11月份)(已下线)27.3 位似(分层练习)-2022-2023学年九年级数学下册同步精品课堂(人教版)
更新时间:2022-11-20 21:29:50
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【知识点】 求位似图形的对应坐标解读
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【推荐1】如图,△ABC与△A'B'C'是以坐标原点O为位似中心的位似图形,若点A(2,2),B(3,4),C(6,1),B'(6,8),则△A'B'C'的面积为_____ .
![](https://img.xkw.com/dksih/QBM/2020/3/12/2417800732090368/2418111786385408/STEM/9ce296093b8747c1ae0a75505d071dd1.png?resizew=145)
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【推荐2】已知
,
,将
以坐标原点
为位似中心,放大得到
,且
面积是
面积的
倍,则
的对应顶点
的坐标为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115a0c87ac14dbb770c95d74d6e26073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c850811ba59a05e945a665196539a048.png)
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