Answer:
yes ∠ A = 84°
Explanation:
∠ A and ∠ B are same side interior angles and supplementary, thus
5x + 34 + 2x + 76 = 180
7x + 110 = 180 ( subtract 110 from both sides )
7x = 70 ( divide both sides by 7 )
x = 10
Thus
∠ A = 5x + 34 = 5(10) + 34 = 50 + 34 = 84°