Order 5.
The shape will fit over itself exactly 5 times during a complete rotation.
They have not got any rotational symmetry
A regular nonagon with 9 sides has a rotational symmetry of 9.
Six.
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A regular hexagon has 6 rotational symmetries (rotational symmetry of order six) and 6 reflective symmetries (six lines of symmetry).
It has both because it has 5 lines of symmetry and rotational symmetry to the order of 5
If it is a regular 5 sided pentagon then its order of rotational symmetry is 5
A regular pentagon or a 5-pointed star have rotational symmetry of order 5.
5, you may think 1 but its actually 5
They have not got any rotational symmetry
it is order 5
A regular polygon with an order of rotational symmetry of 5 is a regular pentagon. This means that the pentagon can be rotated by multiples of 72 degrees (360 degrees divided by 5) and still look the same. Each of its five sides and angles is equal, contributing to this symmetrical property.
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
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