A starfish.
Actually no, Koans aside, as the dog is not radially symetrical :} I might respond with, "what is the sound of one tentacle clapping?"
because all of their legs and things are centered around a middle point :)
NO
Some synonyms of symetrical are: balanced, commensurate, equal, proportional, regular, shapely, commensurable.
Yes, it is.
Yes
Yes.
they paint symetrical to show relaxation and kindness and exactly the same on each side
Tangential.
no because if you put a mirror line between 'm' and 'n' they are not symetrical which means the others are not symetrical. here is an example example : m / n the slash is the mirror line and this is not symetrical
A cube.
no