Which letter has at least one line of symmerty?

Here's how to figure out which letters have at least one line of symmetry:

* Line of Symmetry: A line of symmetry divides a shape into two identical halves that mirror each other.

Let's look at the alphabet:

* A, B, C, D, E, H, I, K, M, N, O, T, U, V, W, X, Y all have at least one line of symmetry.

* F, G, J, L, P, Q, R, S, Z do not have any lines of symmetry.

Example:

* The letter A has one vertical line of symmetry.

* The letter H has one vertical line of symmetry and one horizontal line of symmetry.

* The letter O has an infinite number of lines of symmetry.

Let me know if you'd like to explore any specific letters in more detail!