In the given figure, AB || CD, ∠ECD = 100°, ∠EAB = 50° and ∠AEC = x°. Find the value of x.
Given, ∠ECD = 100°, ∠EAB = 50°
∠COB = 100°
⸫ x = 100° - 50° [Exterior angle = Sum of two opposite interior angles of a triangle]
⸫ x = 50°