Answer:
x = 67°
Step-by-step explanation:
The angle subtended by the arc = 166°
The angle subtended by the arc
= (x + 15)° + (x + 17)°
= x + x + 15° + 17°
166° = 2x + 32° Collect like terms
2x = 166° - 32°
2x = 134° Divide both sides by 2
x = 134° / 2
x = 67°
