Question

is $overline{st}congoverline{rs}$? yes no

Explanation:

Step1: Calculate length of $\overline{ST}$

The coordinate of $S$ is $- 680$ and the coordinate of $T$ is $-660$. The length of $\overline{ST}$ is $|-660-(-680)|=|-660 + 680|=20$.

Step2: Calculate length of $\overline{RS}$

The coordinate of $R$ is $-700$ and the coordinate of $S$ is $-680$. The length of $\overline{RS}$ is $|-680-(-700)|=|-680 + 700|=20$.

Step3: Compare lengths

Since the length of $\overline{ST}$ is 20 and the length of $\overline{RS}$ is 20, $\overline{ST}\equiv\overline{RS}$.

Answer:

yes