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.

Tags

CCSS.4.G.A.1

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.

Tags

CCSS.4.G.A.1

Front

What is a Line Segment?

Back

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

Tags

CCSS.HSG.CO.A.1

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 @@.

Tags

CCSS.4.G.A.1

Front

How is a Line Segment represented in geometry?

Back

Tags

CCSS.HSG.CO.A.1

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.

Tags

CCSS.4.G.A.1

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.

Tags

CCSS.HSG.CO.A.1

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.

Tags

CCSS.HSG.CO.A.1

Front

Can a Ray be measured?

Back

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

Tags

CCSS.2.MD.A.3

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.

Tags

CCSS.2.MD.A.3