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(2009•长宁区二模)将图形绕中心旋转180°后的图形是A.B.C.D.
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(2009•长宁区二模)将图形
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAlCAIAAACs1XwQAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
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)
绕中心旋转180°后的图形是( )
A.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB0AAAAfCAIAAACUOVFTAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
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)
B.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB8AAAAfCAIAAACQzIFuAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
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)
C.
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AAAAAElFTkSuQmCC6I+B5LyY572R
)
D.
相关试题
-
(2009•长宁区二模)将图形
绕中心旋转180°后的图形是( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB0AAAAfCAIAAACUOVFTAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
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AElFTkSuQmCC6I+B5LyY572R
)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB8AAAAfCAIAAACQzIFuAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
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)
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB4AAAAeCAIAAAC0Ujn1AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
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)
D.
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绕一定点旋转180°后与原来图形重合的图形是中心对称图形,正六边形就是这样的图形.如图,小明发现将正六边形绕着它的中心旋转一个<180°的角,也可以使它与原来的正六边形重合,请你写出小明发现的一个旋转角的度数:________.
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绕一定点旋转180°后与原来图形重合的图形是中心对称图形,正六边形就是这样的图形.如图,小明发现将正六边形绕着它的中心旋转一个<180°的角,也可以使它与原来的正六边形重合,请你写出小明发现的一个旋转角的度数:________.
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绕一定点旋转180°后与原来图形重合的图形是中心对称图形,正六边形就是这样的图形.如图,小明发现将正六边形绕着它的中心旋转一个<180°的角,也可以使它与原来的正六边形重合,请你写出小明发现的一个旋转角的度数:________.
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绕一定点旋转180°后与原来图形重合的图形是中心对称图形,正六边形就是这样的图形.如图,小明发现将正六边形绕着它的中心旋转一个<180°的角,也可以使它与原来的正六边形重合,请你写出小明发现的一个旋转角的度数:________.
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绕一定点旋转180°后与原来图形重合的图形是中心对称图形,正六边形就是这样的图形.如图,小明发现将正六边形绕着它的中心旋转一个<180°的角,也可以使它与原来的正六边形重合,请你写出小明发现的一个旋转角的度数:________.
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绕一定点旋转180°后与原来图形重合的图形是中心对称图形,正六边形就是这样的图形.如图,小明发现将正六边形绕着它的中心旋转一个<180°的角,也可以使它与原来的正六边形重合,请你写出小明发现的一个旋转角的度数:________.
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绕一定点旋转180°后与原来图形重合的图形是中心对称图形,正六边形就是这样的图形.如图,小明发现将正六边形绕着它的中心旋转一个<180°的角,也可以使它与原来的正六边形重合,请你写出小明发现的一个旋转角的度数:________.
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(2005•四川)绕一定点旋转180°后与原来图形重合的图形是中心对称图形,正六边形就是这样的图形.如图,小明发现将正六边形绕着它的中心旋转一个<180°的角,也可以使它与原来的正六边形重合,请你写出小明发现的一个旋转角的度数:________.
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(2005•四川)绕一定点旋转180°后与原来图形重合的图形是中心对称图形,正六边形就是这样的图形.如图,小明发现将正六边形绕着它的中心旋转一个<180°的角,也可以使它与原来的正六边形重合,请你写出小明发现的一个旋转角的度数:________.