29 points !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! .

Answer:
a) x = 52°
b) x = 40°
Step-by-step explanation:
a)
x = 26 + 26 = 52°
(Exterior angle = sum of interior angles)
b)
Angle CAD = Angle CDA = 180 - 110 = 70
x = 180 - 2(70)
x = 40°