Answer:
∠LMN = 167°
Step-by-step explanation:
∠LMT = 23°
∠TMN = 144°
∠LMN = ∠LMT + ∠TMN
∠LMN = 23° + 144°
the angles of a triangle add up to180.
70 plus 30 plus x = 180
100 plus x =180
x=80
