Not sure about rotating an octogen (a person aged between 80 and 90 years) but an octagon can have rotational symmetry of order 0, 2, 4 or 8.
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Nothing has 1 order of rotational symmetry because in rotational symmetry 1 is none.
It does have rotational symmetry of order three.
A parallelogram has rotational symmetry of order 2.
parallelogram * * * * * A parallelogram does have rotational symmetry (order 2).
It has 1 order of rotational symmetry.