Lines, Points, Rays, Line Segments

Front

What is a line?

Back

A line is a straight path that extends infinitely in both directions and has no endpoints.

Front

What is a line segment?

Back

A line segment is part of a line that has two endpoints.

Front

What is a ray?

Back

A ray is part of a line that has one endpoint and extends infinitely in one direction.

Front

What is a point?

Back

A point is a precise location in space that has no size or dimension.

Front

What symbol represents a line?

Back

A line is represented by a double-headed arrow, for example, @@ ext{Line } ightarrow T S@@.

Front

What symbol represents a line segment?

Back

A line segment is represented by a line with two endpoints, for example, @@ ext{Line Segment } ightarrow ar{T S}@@.

Front

What symbol represents a ray?

Back

A ray is represented by a line with one endpoint and an arrow on one side, for example, @@ ext{Ray } ightarrow ightarrow T S@@.

Front

How do you identify a line segment in a diagram?

Back

A line segment is identified by two endpoints marked with dots.

Front

What is the difference between a line and a line segment?

Back

A line extends infinitely in both directions, while a line segment has a fixed length with two endpoints.

Front

Can a ray be part of a line segment?

Back

No, a ray extends infinitely in one direction, while a line segment has two endpoints.