Matching

Problem:



Solution:

$ w(180) - w(0) $ is (i)
$ w(180) $ is (h)
$ w(180 + h) - w(180) $ is (j)
$ w(b) = 180 $ is (a)
$ w(180 + h) $ is (f)
$ w(180 + h) - w(h) $ is (e)
$ w(0) = 180 $ is (b)