Lines of symmetry can be identified if you place an imaginary line over a figure, reflect the figure and the image remains unchanged, then that imaginary line is a line of symmetry. Among the letters X, I, H, and E, the letter X, I, and H have 2 lines of symmetry each. For the letter E, it only has one. In total, there are 7 lines of symmetry among the 4 letters.
