Question

what is the length of $overline{gh}$?

Explanation:

Step1: Identify coordinates

The coordinate of point $G$ is $42$ and the coordinate of point $H$ is $46$.

Step2: Calculate distance

The length of $\overline{GH}$ is found by subtracting the smaller - coordinate from the larger one. So, $46 - 42=4$.

Answer:

$4$