Question

What is the vertically opposite angles of a,b,c,d​

Answer 1

Answer:

a is vertically opposite to a

and b is vertically opposite to c

Answer 2

When two straight lines intersect each other four angles are formed. The pair of angles which lie on the opposite sides of the point of intersection are called vertically opposite angles. In the given figure, two straight lines AB and CD intersect each other at point O.