How do we find the order of rotation and the angle of rotation?

Dear student, 

If you rotate a figure around a centre point  by fewer than 360 degree than the number of positions in which it looks exactly same as the initial figure is known as the order of rotation and the smallest angle for which the figure can be rotated to coincide with itself is called angle of rotation.
you can only find it with the help of the figure.

Regards​​​​​

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