How to pronounce “reflectional” in English

and asked him does it have any symmetry and he said no, it doesn't look symmetrical at all but what he was looking for was left right reflectional symmetry. This doesn't have anyleft right reflectional symmetry but it does have symmetry. But what does it mean to have symmetry? Also, how can I say, articulate, that two of these walls have the same symmetries?How can I say if the Moorish artists discovered all the symmetries that are possible on the walls in the Alhambra? Now, actually, to be able to articulate these ideas, the Moors