Answer:
∠A = 148°
Explanation:
The angle vertically opposite ∠A corresponds with ∠B and are congruent, hence
6x - 2 = 4x + 48 ( subtract 4x from both sides )
2x - 2 = 48 ( add 2 to both sides )
2x = 50 ( divide both sides by 2 )
x = 25
∠A = 6x - 2 = (6 × 25) - 2 = 150 - 2 = 148°