Question

what is the length of $overline{st}$?
39 40 41 42 43 44 45 46
s t

Explanation:

Step1: Identify endpoints

Endpoint of $\overline{ST}$ are $S = 41$ and $T = 45$.

Step2: Calculate length

Length of $\overline{ST}=45 - 41$.
$45-41 = 4$

Answer:

4