How many pairs of vertical angles are formed by distinct lines that have a common point of intersection?

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How many pairs of vertical angles are formed by \(5\) distinct lines that have a common point of intersection?

Guest Nov 26, 2022

Guest · Answer 1 · 2022-11-27T03:25:43

There are 20 pairs of vertical angles.

How many pairs of vertical angles are formed by ​ distinct lines that have a common point of intersection?