Respuesta :
A. 76, this is because it’s not 90° degree, or a right angle, but it’s slightly more acute. Hope this helped!
Answer:
66
Step-by-step explanation:
R = 76° ( Vertically opposite angles )
Using linear pair,
76° + 38° + Q° = 180°
114° + Q° = 180°
Q° = 66°