When point G is added, DEFG is a square. What are the coordinates of point G?

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问题 When point G is added, DEFG is a square. What are the coordinates of point G?

选项 A、(1, 7)
B、(0, 6)
C、(2, 7)
D、(1, 6)

答案D

解析 要求G点的坐标而且要组成一个正方形,因而G点和E点关于直线DF对称,所以D选项正确。
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