Which angles are corresponding angles?

Example Shown above!
The corresponding angles of your picture would be:
1 - 9
6 - 14
2 - 10
5-13
3-11
8-16
4-12
7-15
Hope ya get the concept C:

Ifound this on google “a skewed (non-symmetric) distribution is a distribution in which there is no such mirror-imaging. a "skewed right" distribution is one in which the tail is on the right side. a "skewed left" distribution is one in which the tail is on the left side. the above histogram is for a distribution that is skewed right.” i hope this you for what your looking for