如图,在直角坐标系中,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/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/editorImg/2023/9/12/c2bd6a21-d0f2-40bd-bfea-3e8aa02c4a42.jpg?resizew=149)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
2023·河北廊坊·模拟预测 查看更多[3]
2023年河北省廊坊市安次区中考模拟数学试题(已下线)专题4.32 图形的位似(分层练习)(基础练)-2023-2024学年九年级数学上册基础知识专项突破讲与练(北师大版)2022年湖南省株洲市第二中学中考模拟数学试题
更新时间:2023-09-06 07:27:05
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【推荐1】如图,在平面直角坐标系中,以原点为位似中心,将
放大为原图形的2倍,得到
.若点
的坐标是
,则点
的坐标是( ).
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/15/3b7c48ac-715a-4fff-9f0e-c49b5ac8045a.png?resizew=212)
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,矩形OABC的顶点O在坐标原点,边OA在x轴上,OC在y轴上,如果矩形
与矩OABC关于点O位似,且矩形
与矩OABC的位似比为
,那么点
的坐标是( )
![](https://img.xkw.com/dksih/QBM/2022/10/10/3084724116512768/3087553547706368/STEM/511e3e19e95e43ae8c3b478c4820c652.png?resizew=174)
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A.(-2,3) | B.(2,-3) | C.(3,-2)或(-2,3) | D.(-2,3)或(2,-3) |
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【推荐1】如图,
与
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的面积为27,则
的面积是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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A.9 | B.12 | C.15 | D.27 |
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【推荐2】如图,
与
位似,点O为位似中心已知
,
的面积为3,则
的面积为( )
![](https://img.xkw.com/dksih/QBM/2021/5/28/2730648994865152/2730688395182080/STEM/0965eb43-e2d9-4097-af62-89eb419f2b48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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A.6 | B.9 | C.12 | D.27 |
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