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已知点A的坐标为(2,3),O为坐标原点,连接OA,将线段OA绕点O按逆时针方向...
已知点A的坐标为(2,3),O为坐标原点,连接OA,将线段OA绕点O按逆时针方向旋转90°得OA1,则点A1的坐标为( )
A.(-2,3)
B.(2,-3)
C.(-3,2)
D.(3,-2)
考点分析:
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