Which capital letters of English alphabet have reflection symmetry?
Reflection symmetry is the symmetry with respect to reflection.
If a mirror is placed along the line in the middle, the half part of the figure reflects through the mirror creating the remaining identical half.
are the letters of the English alphabet having reflection symmetry about a vertical mirror.
are the letters of the English alphabet having reflection symmetry about a horizontal mirror.
are the letters of the English alphabet having reflection symmetry about both horizontal and vertical mirrors
Hence, are the letters of the English alphabet have reflection symmetry.