《【中考数学必备专题】几何三大变换之平移》由会员分享，可在线阅读，更多相关《【中考数学必备专题】几何三大变换之平移（3页珍藏版）》请在金锄头文库上搜索。
1、第 1 页 共 3 页【中考数学必备专题中考数学必备专题】几何三大变换之平移几何三大变换之平移一、单选题一、单选题(共共 4 道，每道道，每道 25 分分) 1.（2011 河北）如图 1，两个等边ABD，CBD 的边长均为 1，将ABD 沿 AC 方向向右平 移到ABD的位置，得到图 2，则阴影部分的周长为()A.1.5 B.2 C.2.5 D.32.（2009 江汉区）如图，把图中的A 经过平移得到O（如左图） ，如果左图中A 上一 点 P 的坐标为（m，n） ，那么平移后在右图中的对应点 P的坐标为（）A.（m+2，n+1） B.（m-2，n-1） C.（m-2，n+1） D.（m+2，
2、n-1）3.（2011 日照）以平行四边形 ABCD 的顶点 A 为原点，直线 AD 为 x 轴建立直角坐标系，已 知 B、D 点的坐标分别为（1，3） ， （4，0） ，把平行四边形向上平移 2 个单位，那么 C 点平 移后相应的点的坐标是（） A.（3，3） B.（5，3） C.（3，5） D.（5，5）4.如图，AA=BB=CC=2,AOB=BOC=60，则的大小关系是( )第 2 页 共 3 页A.B.C.D.不确定内部资料，请勿外传！#XuyUP2kNXpRWXmA&UE9aQGn8xp$R#͑GxGjqv$UE9wEwZ#QcUE%&qYpEh5pDx2zVkum&gTXR
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