Click on the flag to run the tests. Results are recorded in the list.
This is a self-testing program. It tests if the program code to calculate a reflected angle is correct. (Hint, it isn't!) 0 should return 180 or -180. 10 should return 170 or -190. -10 should return 190 or -170. -20 should return 200 or -160 and so on.