Question

Which of the following can be defines as "a line having fixed length"?

• A. Ray
• B. Point
• C. Line segment
• D. Ruler

Answer 1

The correct option is C Line segment


Here, $l$ is of infinite length.
$A$ and $B$ are two points on the line $l$.
Hence, $\overline{AB}$ is of fixed length.
$\overline{AB}$ is called the line segment.