8. 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

Answers (1)

(a) a vertical mirror   : A,H,I,M,O,T,U,V,W,X and Y

(b) horizontal mirror : B,C,D,E,H,I,O and X

(c) both horizontal and vertical mirrors : H,I,O and X.

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