1.

In the adjoining figure, p || q. Find the unknown angles.

Answer»

The unknown angles are

∠e = 180° – 125° = 55° (supplementary angles)

∠f = ∠e = 55° (∵ vertically opposite angles)

∠a = ∠e = 55° ∠b = 125°

∠c = ∠a = 55° (∵ vertically opposite angles)

∠d = ∠b = 125°



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