Q:
# What Is a Line Consisting of Two Endpoints and All Points Between Those Endpoints Called?

**A line consisting of two endpoints and all points between is called a line segment, according to Wolfram MathWorld.** A line segment is a closed interval that corresponds to one section of an infinite line.

Both a line and a line segment are straight one-dimensional figures that are without width or thickness, but unlike a line segment, the length of a line is theoretically infinite, stretching on forever in opposite directions.

Another one-dimensional figure closely related both to a line and a line segment is a ray. In geometry, a ray is conceptualized as a semi-infinite line. One side has an endpoint, as does a line segment, but the other continues endlessly, which is a feature associated with lines.

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Q:
## What Is a Set of Points That All Lie on the Same Line?

A: A set of points that all lie within the same line are said to be collinear. According to Wolfram Mathworld, three points are collinear if and only if the d... Full Answer >Filed Under: -
Q:
## What Is a Radius?

A: The radius of a circle is the length of a line segment from its center to its outer edge. The same definition also applies to the radius of a sphere. Alter... Full Answer >Filed Under: -
Q:
## How Do You Find the Midpoint?

A: To find the midpoint of a line segment, determine where their coordinates are on the x-y axis, and use the mean to find the point midway between each x and... Full Answer >Filed Under: -
Q:
## What Is the Halfway Point of a Line?

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