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Order 7 if it is a regular heptagon; otherwise Order 1.
A regular nonagon with 9 sides has a rotational symmetry of 9.
Six.
A regular hexagon has 6 rotational symmetries (rotational symmetry of order six) and 6 reflective symmetries (six lines of symmetry).
It has rotational symmetry to the order of 2
Order 7 if it is a regular heptagon; otherwise Order 1.
A regular nonagon with 9 sides has a rotational symmetry of 9.
If it is a regular octagon then it has rotational symmetry to the order of 8
Unit 15 Section 3 : SymmetrySymmetries in regular polygons (http://www.cimt.plymouth.ac.uk/projects/mepres/book8/bk8i15/bk8_15i3.htm)Look at the regular heptagon below. A heptagon is a shape with seven sides and this one has equal sides and equal angles. You can see that there are seven lines of symmetry, and the regular heptagon also has rotational symmetry order seven.
A line segment would have rotational symmetry.
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
It has both because it has 5 lines of symmetry and rotational symmetry to the order of 5
Six.
All of them have rotational symmetry because all the sides and angles have to be the same in order for the polygon to be a regular polygon
heck yeah it does * * * * * It can do, but it need not have any non-trivial rotational symmetry. A regular decagon will have rotational symmetry of order 10.
If it is a regular 5 sided pentagon then its order of rotational symmetry is 5