how do i measure symmetry on the human face?

Answer 1

you know that the face does NOT match on each side, right?

Nothing matches---our eyebrows, nor our eye size, nor shape, nor our nostrils, nor each side of our lips-
Our ears are COMPLETELY different---one is closer to your head than the other, and higher up , ---------------
YOU GET IT, I KNOW YOU GET IT!

But if you are doing it as for the inches or whatever-there IS NO
symmetry!
So, if the sides measure differently, then that's why!