It would help if you checked your spelling before posting the question. I can guess that "symmerty" is meant to be symmetry but I have no idea what a hepaton is. Sorry.
4
N has no lines of symmerty !
4
1
zero
one
5.
It varies depending on the angles and lines of the triangle.
An equilateral triangle has 3 lines of symmetry
Three axes of symmetry.
A kite only has 2 line of symmetry.
It depends on how many sides the polygon has: An octogon has 8 lines of symmetry, a pentagon has 5......