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The adjoining figure when rotated throug...

The adjoining figure when rotated through`120^(@),240^(@) and 360^(@)` will fit exactly onto itself each time. So, it has a rotational symmetry of order 3.
(i)Rotating a figure through`90^(@)` clockwise is the same as rotating it anticlockwise through `270^(@)`.
(ii)Rotating a figure through`180^(@)` clockwise is the same as rotating it anticlockwise through `180^(@)`.

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