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If it is a regular octagon then it has rotational symmetry to the order of 8
If it is a regular octagon then it has rotational symmetry to the order of 8
If it's a regular 8 sided octagon then it rotational symmetry to the order of 8
8
Assuming the question is about ROTATIONAL symmetry rather than rational symmetry, the answer is none.
A regular octagon has 8 lines of symmetry.
if you mean rotational symmetry then yes, rotational symmetry of order 4
triangle
It can be 1, 2, 4 or 8.
is a square a rational symmetry? is a square a rational symmetry?
An octagon is a 2-dimensional figure, not a line of symmetry. However, it has several lines of symmetry.
An octagon has 8 lines of reflective symmetry.