题文
将点A(4
,0)绕着原点按顺时针旋转45°得到点B,则B点坐标是( )
| A.(4, 4) | B.(4,-4) | C.(2, 4) | D.(2,-4) |
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将点A(4
,0)绕着原点按顺时针旋转45°得到点B,则B点坐标是( )
| A.(4, 4) | B.(4,-4) | C.(2, 4) | D.(2,-4) |
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