24 posts will be there
I think it will help you
the explanation will be. like that
the square having side 10m and we should put a post on 2m apart then we out it on it, it will be 6 posts on one side then multiply it by 4 as square has four sides
i think it is a value based question
and no thanks it's OK
mark it as a brainlist one if, this answer satisfy you