如图,将矩形绕点
顺时针旋转
得到矩形
,点
分别是
、
的中点,若
,则
的长( )
A.![]() | B.3 | C.![]() | D.![]() |
更新时间:2024-03-26 15:03:44
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【推荐2】如图,边长为2的正方形
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【推荐1】如图,在菱形ABCD中,点E,F分别是AB,AC的中点,如果菱形的周长为16,那么EF等于( )
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【推荐2】如图,将腰长为4的等腰直角三角形放在直角坐标系中,顺次连接各边中点得到第1个三角形,再顺次连接各边中点得到第2个三角形……,如此操作下去,那么,第6个三角形的直角顶点坐标为( )
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【推荐1】如图,在矩形ABCD中,点E是AB的中点,点F是BC的中点,连接EF,G是EF的中点,连接DG.在
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【推荐2】如图,矩形
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【推荐1】如图,在△ABC中,∠CAB=65°,现将△ABC绕着点A逆时针旋转一定角度![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0f5ef2140fdb3e514c4068eb1c72102.png)
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【推荐2】如图,的三个顶点的坐标分别为
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落在
轴上,与此同时顶点
落在点
处,则点
的坐标为( )
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