In the given figure, AB || CD. If ∠BAO = 110°, ∠AOC = 20° and ∠OCD = x°, find the value of x.

Given, BAO = 110°, AOC = 20°

CEO = 110° [Corresponding angles]

x° = 110° + 20° [Exterior angle = Sum of two opposite interior angles]

x° = 130°

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