Answer:
∠ 2 = ∠ 4 = 141°
Step-by-step explanation:
∠ 4 and ∠ 5 are same- side interior angles and sum to 180° , that is
∠ 4 + ∠ 5 = 180° , then
∠ 4 + 39° = 180° ( subtract 39° from both sides )
∠ 4 = 141°
∠ 2 and ∠ 4 are vertically opposite angles and are congruent , then
∠ 2 = ∠ 4 = 141°
