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Question
Give a definition of the following term. Are there other terms that need to be defined first? What are they, and how might you define them?
line segment
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Solution
Yes, we need to understand terms like point, line, ray, angle, plane, circle, and quadrilateral before defining the required terms.
A line segment is a part of a line with a definite length and two end points. In the figure, a line segment has end points A and B. It is written as `bar(AB)` or `bar(BA)`.
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