how many pairs of vertical angles are formed? name 3 pairs

Answer:
There are six pairs namely 1&2, 3&4, 6&7, 5&8, 11&12, 9&10
Answer:
There are 6 pairs of vertical angles formed.
Step-by-step explanation:
Vertical angles are opposite to each other and are formed when two straight lines intersect. They have the same vertex. Based on Vertical Angles Theorem, vertical angles are always congruent.
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