Question

what is the value of g?

Explanation:

Step1: Identify supplementary angle pair

Angle $g$ and $68^\circ$ are supplementary, so their sum is $180^\circ$.

Step2: Solve for $g$

Subtract $68^\circ$ from $180^\circ$.
$g = 180^\circ - 68^\circ$

Answer:

$112^\circ$