题目内容
已知正方形ABCD的边长为4,它在坐标系内的位置如图所示,请你求出下列情况下四个顶点的坐标。
解:(1 )A (4 ,0 ),B (4 ,4 ),C (0 ,4 ),D (0 ,0);
(2 )A (2 ,-2 ),B (2 ,2 ),C (-2 ,2 ),D (-2 ,-2);
(3 )A (2 ,-4 ),B (2 ,0 ),C (-2 ,0 ),D (-2 ,-4);
(4 )A (0 ,-4 ),B (0 ,0 ),C (-4 ,0 ),D (-4 ,-4)。
(2 )A (2 ,-2 ),B (2 ,2 ),C (-2 ,2 ),D (-2 ,-2);
(3 )A (2 ,-4 ),B (2 ,0 ),C (-2 ,0 ),D (-2 ,-4);
(4 )A (0 ,-4 ),B (0 ,0 ),C (-4 ,0 ),D (-4 ,-4)。
练习册系列答案
相关题目