symmetrical vs symmetric

symmetrical and symmetric both are adjectives.

Word	Noun	Adjective	Verb	Adverb
symmetrical	No	Yes	No	No
symmetric	No	Yes	No	No

As adjectives, symmetrical and symmetric are synonyms defined as:

symmetrical and symmetric: having similarity in size, shape, and relative position of corresponding parts

symmetrical (adjective)	symmetric (adjective)
having similarity in size, shape, and relative position of corresponding parts	having similarity in size, shape, and relative position of corresponding parts
exhibiting equivalence or correspondence among constituents of an entity or between different entities