Naming Lines, Rays, Segments, and Angles

Front

What is a ray?

Back

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

Front

How do you name a ray?

Back

A ray is named by its endpoint and another point on the ray, using the notation \( \overrightarrow{AB} \) where A is the endpoint.

Front

What is a line segment?

Back

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

Front

How do you name a line segment?

Back

A line segment is named by its two endpoints, using the notation \( \overline{AB} \) where A and B are the endpoints.

Front

What is a line?

Back

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

Front

How do you name a line?

Back

A line is named using any two points on the line, using the notation \( \overleftrightarrow{AB} \) where A and B are points on the line.

Front

What is an angle?

Back

An angle is formed by two rays that share a common endpoint, called the vertex.

Front

What is the vertex of an angle?

Back

The vertex is the point where the two rays of an angle meet.

Front

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

Back

A ray has one endpoint and extends infinitely in one direction, while a line segment has two endpoints and does not extend infinitely.

Front

What is the term for a part of a line with two endpoints?

Back

Line segment.