∠AKJ ≅ AIH because they are corresponding angles
60° = AIH by substitution
ΔAIH
∠A + ∠I + ∠H = 180° per the triangle angle sum theorem
x + 60 + 56 = 180 substituted known values
x + 116 = 180 added like terms
x = 64 subtracted 116 from both sides
Answer: 64°