Any shape which, when rotated through 180 degrees appears to be the same as the original.
A trapezium does not have rotational symmetry.
The letters H and Z have both line symmetry and rotational symmetry
It has rotational symmetry to the order of 2
It has 8lines of rotational symmetry
Equilateral triangles have rotational symmetry.
A trapezoid has no rotational symmetry.
No a Z doesn't have a rotational symmetry
A line has rotational symmetry of order 2.
It has line symmetry (straight down the center) but not rotational symmetry.
It does have rotational symmetry of order three.
No A rectangle has rotational symmetry as well