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平面直角坐标系中,点A的坐标为(4,3),将线段OA绕原点O顺时针旋转90°得到...
平面直角坐标系中,点A的坐标为(4,3),将线段OA绕原点O顺时针旋转90°得到OA′,则点A′的坐标是( )
A.(-4,3)
B.(-3,4)
C.(3,-4)
D.(4,-3)
考点分析:
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