No. But it does have rotational symmetry of order 2.
N has no lines of symmerty !
180 degrees
Rotational symmetry is when you rotate an object n order to see it in the same shape but n different position somehow the shape might look different unless u turn the paper.
4
1
Three
Order 4.
Yes
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.
one
Yes, of order 2.
A Heart or a Triangle.