在平面直角坐标系
中,线段CD是由线段AB平移所得,已知
,则下列4个结论中,正确的有__________ .(填序号)
①
;②
;③四边形ABCD的面积为10;④点D坐标为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480a398fa156e5452f559b3cbba2b356.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97e3555cd6c109962fecba3a677c5286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a7e88b74f492f89e21e4cf65353bdb6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/5/e01aa221-b1d3-48a3-8587-7adddaf5118d.png?resizew=164)
23-24七年级下·浙江台州·期中 查看更多[2]
浙江省台州市路桥区十校联盟2023-2024学年七年级下学期期中数学试题(已下线)专题09 期末选填压轴题(十一大题型)-【好题汇编】备战2023-2024学年七年级数学下学期期末真题分类汇编(山东专用)
更新时间:2024-05-29 20:49:30
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【推荐1】如图,三角形
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【推荐2】在平面直角坐标系中,点 A的坐标是(-1,2) .作点A关于x 轴的对称点,得到点A1 ,再将点A1 向下平移 4个单位,得到点A2 ,则点A2 的坐标是_________ .
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【推荐1】如图,在平面直角坐标系中,已知点
,
,将线段
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(1)若点C与点B恰好重合,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c7e7449010436e00dce3b6924a4258.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
_____ .
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_____ .
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(1)若点C与点B恰好重合,则
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