Question

the measure of an angle is $118^\circ$. what is the measure of its supplementary angle?

Explanation:

Step1: Recall supplementary angle rule

Supplementary angles sum to $180^\circ$.

Step2: Calculate the unknown angle

Let $x$ = supplementary angle.
$x = 180^\circ - 118^\circ$
$x = 62^\circ$

Answer:

$62$