it's not an absolute requirement that a kite be symmetrical, but an asymmetric kite will probably fly oddly and tend to spin or move in one direction preferentially (and may not fly at all).
NO
Some synonyms of symetrical are: balanced, commensurate, equal, proportional, regular, shapely, commensurable.
Yes, it is.
A starfish.
Yes
Yes.
they paint symetrical to show relaxation and kindness and exactly the same on each side
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.
yes
Planarians have bilateral symmetry.
No.