In the previous question, which angle is vertically opposite to ∠AOX?
∠AOY
∠BOX
∠BOY
None of the above
Recall the definition of vertically opposite angles. ∠AOX and ∠BOY are vertically opposite angles and they are equal.
Question 9 (vi) In the adjoining figure: What is the vertically opposite angle of ∠5?
Question 77
The sum of two vertically opposite angles is 166∘. Find each of the angles.
Question 9 (v) In the adjoining figure: Is ∠1 vertically opposite to ∠ 4?