Rotational symmetry of order 1.
A line has 180 degrees rotational symmetry.
They have not got any rotational symmetry
2
I, H, N, O, S, X & Z all have rotational symmetry.
A cuboid has rotational symmetries of order 2 around each of the three axes going through a pair of opposite faces.
A parallelogram has a rotational symmetry of 2!
triangles have 0 rotational symmetry
it has 5 rotational symmetry
A line has rotational symmetry of order 2.
Rotational symmetry of order 1.
A line has 180 degrees rotational symmetry.
It has 1 order of rotational symmetry.
A general parallelogram has rotational symmetry of order two.
They have not got any rotational symmetry
infinite angles of rotational symmetry... (: ~kitty <3 = =
If it's a regular 8 sided octagon then it rotational symmetry to the order of 8