A Regular Octagon 8 sides has 8 Lines of Symmetry. A regular octagon has 8 lines of symmetry and a rotational symmetry of order 8. Regular Octagon Octagon Octagon Tile Math Calculator Lines of symmetry will bisect opposite angles and sides in polygons with an odd number of sides eg. . The number of sides is the same as the number of lines of symmetry and the order of. View solution How many lines of symmetry are there in a regular hexagon. Id say there is 8. See full answer below. A regular polygon of n sides has n Lines of Symmetry. Octagon - Rotational Symmetry. A regular octagon has 8 lines of symmetry and a rotational symmetry of order 8. This means that it can be rotated in such a way that it will look the same as the original shape 8 times in 360. Eight 45angles of rotation. Answer not in Detail. Now it is known that the line of symmetry will divide the octagon in two equal parts in ...