Question

the figure shows two intersecting lines. write an equation to show how m∠1 and m∠2 are related.

Explanation:

Step1: Identify angle - pair type

$\angle1$ and $\angle2$ are linear - pair angles.

Step2: Apply linear - pair property

Linear - pair angles are supplementary, so $m\angle1 + m\angle2 = 180^{\circ}$.

Answer:

$m\angle1 + m\angle2=180^{\circ}$