Naming Segments, Lines, Rays and Angles

Front

What is a line segment?

Back

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

Front

What is a ray?

Back

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

Front

What is a line?

Back

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

Front

What is an angle?

Back

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

Front

How do you name a line segment?

Back

Front

How do you name a ray?

Back

A ray is named by its endpoint and another point on the ray, for example, ray AB is written as @@ ightarrow{AB} @@.

Front

How do you name a line?

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.

Front

What is the symbol for a line segment?

Back

Front

What is the symbol for a ray?

Back

The symbol for a ray is written with an arrow over the two points, for example, @@ ightarrow{AB} @@.