Question

In figure, the angles of depressions from the observing positions O₁ and O₂ respectively of the object A are ______.

Answer 1

In figure, the angles of depressions from the observing positions O₁ and O₂ respectively of the object A are 45°.

Explanation:

Draw, AC || O₁X

∴ ∠AO₁X = 90° – 60° = 30°

And ∠AO₂X = ∠BAO₂ = 45°