If you are trying to find the bigger angle, then the answer is A) Supplementary. But if you’re trying to find the small angle the answer is B) Complementary. C and D are both wrong.
1/2 = 18 cut Cut= 1/36 So if victor rides for time t+ 1/36 Alex rides for t D= 18 (t + 1/36) = 24 t 18 t+ 18/36 = 24 t 6 t = 1/2 T = 1/12 hour = 5 minutes