Lines, Rays, Line Segments

Front

What is a Line?

Back

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

Front

What is a Ray?

Back

A ray is a part of a line that starts at a point and extends infinitely in one direction.

Front

What is a Line Segment?

Back

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

Front

How is a Ray represented in geometry?

Back

A ray is represented by a line with one endpoint and an arrow on the other end, like this: @@ ightarrow @@.

Front

How is a Line Segment represented in geometry?

Back

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 two endpoints and does not extend infinitely.

Front

What is the symbol for a Ray?

Back

The symbol for a ray is an arrow over the two points, indicating it starts at one point and goes infinitely in the direction of the other point.

Front

What is the symbol for a Line Segment?

Back

The symbol for a line segment is a line over the two endpoints, indicating it has a fixed length.

Front

Can a Ray be measured?

Back

No, a ray cannot be measured because it extends infinitely in one direction.

Front

Can a Line Segment be measured?

Back

Yes, a line segment can be measured because it has a definite length between its two endpoints.