It is 2.
The letters H and Z have both line symmetry and rotational symmetry
H, I, O, and X have rotational symmetry.
The letter H has a rotational symmetry of order 2, meaning it looks the same after a 180-degree rotation.
A lower-case 'h' has rotational symmetry. An upper-case 'H' also has reflective symmetry.
Yes, it does.
I, H, N, O, S, X & Z all have rotational symmetry.
H,i,o,x
H I O
1: it has no rotational symmetry.
Only H.
Both.
There are 10 letters in the alphabet that achieve rotational symmetry when displayed in their capital form. These letters: A, H, I, M, O, U, V, W, X, and Y.