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.
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.