Question

use the ruler to measure the length of $overline{rs}$ to the nearest centimeter.
not drawn to scale
the length of $overline{rs}$ is centimeters.

Explanation:

Step1: Identify ruler markings

Identify the positions of points R and S on the ruler. Assume R is at 8 cm and S is at 23 cm.

Step2: Calculate length

Subtract the position of R from the position of S. $23 - 8=15$.

Answer:

15