Question

Which letter has at least one line of symmetry?

Answer 1

For this case what you should know is that in the alphabet, there are several letters that have at least one axis of symmetry.

For example,

The letter A has a vertical axis of symmetry.

The letter C has a horizontal axis of symmetry.

The letter O has more than one axis of symmetry, including vertical axis and horizontal axis.

Answer:

Some of the letters with at least one axis of symmetry are:

The letter A

The letter C

The letter O

Answer 2

Letters that have lines of symmetry are: A, B, C, D, E, H, I, M, O, T, U, V, W, X, Y.
The lines of symmetry can be vertical or horizontal. Letters O, H, I. X have 2 lines of symmetry and other have 1.
Answer: At least one line of symmetry have letters:
A, B, C, D, E, H, I, M, O, T, U, V, W, X, Y ( you can choose one ).