Answer:
∠ MON = 15°
Step-by-step explanation:
∠ LOM + ∠ MON = ∠ LON, substitute values
9x + 44 + 6x + 3 = 77, that is
15x + 47 = 77 ( subtract 47 from both sides )
15x = 30 ( divide both sides by 15 )
x = 2
Thus
∠ MON = 6x + 3 = 6(2) + 3 = 12 + 3 = 15°
