Vertically Opposite Angles

 

 

image: mathebook.net

 

When two lines intersect, four angles are formed. Angles that are vertically opposite to each other will be equal.

 

 

Which are the vertically opposite angles in the diagram below?

 

image: mathsrevision.net

 

 

Can you calculate  x  and  y  in the diagram below?

 

image: cbse-notes.blogspot.com

 

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