Question

name the two pairs of vertical angles in the figure. ∠1 and? ∠2 and?

Explanation:

Step1: Recall vertical angles definition

Vertical angles are opposite angles formed by two intersecting lines.

Step2: Identify pairs

For \(\angle1\), its opposite angle is \(\angle3\). For \(\angle2\), its opposite angle is \(\angle4\).

Answer:

\(\angle1\) and \(\angle3\); \(\angle2\) and \(\angle4\)