angle 1 + angle 3 = 27 +43 = 70
angle 2 = 180-70 = 110
angle 2 + angle 4 = 180
180 -angle 2 = angle 4 = 180-110 = 70
angle 4 = 70 degrees
X=2 is the answer to the question
Answer:
X+81=180'
x=180-81
x=99
A=99(Being co interror angle)
B=81
Hence,
x=99
A=99
B=81