Answer:
X=57
Step-by-step explanation:
77+46+X=180
123+X=180
X=180-123
57°
Hope it helps you in your learning process
46° + m∠SAQ + 77° = 180° (straight line angles)
m∠SAQ + 123° = 180°
m∠SAQ = 180° - 123°
m∠SAQ = 57°
