Do all figure have at least one rotational symmetry and all figures have centre of rotation

Solution :

Yes , All figure have at least one rotational symmetry and all figures have centre of rotation.
The centre of a shape or object with rotational symmetry is the point around which the rotation occurs. Hence all figures have centre of rotation.
As in a complete turn of 360° , every object looks exactly the same as the original at least once , i.e., after one complete turn. So every object has 1 rotational symmetry.

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