The measurement at the dotted line drawn on the sign shown is 2 1/2. Option B
Measurement is the process of quantifying or determining the size, length, quantity, or extent of something using a standardized system of units. It involves comparing an unknown quantity to a known quantity (a unit) to express it numerically.
It is important in various fields such as science, engineering, construction, mathematics, and everyday life. They help in understanding and describing the physical world by providing precise and comparable information.
From the diagram shown, we can see that the dotted line is in the middle of the lengths 2 and 4.
Then, we can say it is 2 and half of the line.