□ABCD的对角线的交点在坐标原点,且AD平行于x轴.若点A坐标为(-1,2),则点C的坐标为( )
A.(1,-2) | B.(2,-1) | C.(1,-3) | D.(2,-3) |
更新时间:2018-12-13 15:36:14
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【知识点】 利用平行四边形的性质求解解读
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适中
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【推荐1】如图,在
中,
,
,
,点
为
上任意一点,连接
,以
、
为邻边作平行四边形
,连接
,则
最短为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/5/9755d432-1489-45b7-badf-3883297c297d.png?resizew=109)
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A.2 | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,在
中,对角线
交于点
,双曲线
经过
两点,若
的面积为18,则
的值是( )
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A.5 | B.6 | C.7 | D.8 |
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