Answer:
A = 105
B = 60
C = 75
D = 120
Explanation:
A opposite angle and parallel angle
B parralle angle and opposite angle
C all add up to 360 105 + 105= 210 and 360-210 = 150 divide by 2 = 75
D all add up to 360! (60 + 60 = 120 and 360-120 divide by 2 = 120