In the figure, OP, OQ, OR and OS are four rays. Prove that: ∠POQ+�

1.	In the figure, OP, OQ, OR and OS are four rays. Prove that: ∠POQ+∠QOR+∠SOR+∠POS=360∘
Answer» In the figure, OP, OQ, OR and OS are four rays. Prove that: $∠ P O Q + ∠ Q O R + ∠ S O R + ∠ P O S = 360^{\circ}$

In the figure, OP, OQ, OR and OS are four rays. Prove that: ∠POQ+∠QOR+∠SOR+∠POS=360∘

Answer»

In the figure, OP, OQ, OR and OS are four rays.
Prove that: $∠ P O Q + ∠ Q O R + ∠ S O R + ∠ P O S = 360^{\circ}$