In the figure below, OP, OQ, OR and OS are four rays. Then, find (∠ POQ + ∠ QOR + ∠ SOR + ∠ POS)3.
60∘
120∘
90∘
0∘
∠ POQ + ∠ QOR + ∠ SOR + ∠ POS = 360∘ ....(the sum of the angles around a point = 360∘) So, (∠ POQ + ∠ QOR + ∠ SOR + ∠ POS)3 = 360∘3 = 120∘