Question

What letters of the English alphabet have reflectional symmetry (i.e. symmetry related to mirror reflection) about.

a. a vertical mirror

b. a horizontal mirror

c. both horizontal and vertical mirrors

Answer 1

a. a vertical mirror

A H I M O T U V W X Y

These letter have vertical symmetry

b. a horizontal mirror

B C D E H I O X

These letter have horizontal symmetry.

c. both horizontal and vertical mirrors

H I O X

These have both horizontal and vertical symmetry