Question

Kevin says that “a line segment is the part of a line containing two endpoints.” What additional information is needed to make the definition precise?


That contains the midpoint between the two endpoints.


That is the difference between the two endpoints.


That does not extend in both directions.


That contains every point between the two endpoints.

Answer 1

The statement "That does not extend in both directions." will make the definition, precise.

Kevin's definition of line segment is correct.

However, the end points in a line segment implies that the line segment does not extend past its two end points.

To make it precise

Kevin needs to include that the line segment does not extend in both directions, in the definition.

Hence, option (c) is correct.

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