Matchsticks – divide into 2 equal halves

1) Divide into equal halves^*

Add 2 matches to divide the figures into two halves of equal size.

This problem comes from Ed Pegg jr, who published it as one of many problems in his column in Japan Airlines inflight magazine, Skyward. I think it is a nice example of an a-symmetric problem. When we design something, e have a natural tendency to design something symmetric. Designing something a-symmetric somehow seems much more difficult.

You can check your solution here