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

What symbol represents a Line?

Back

A line is represented by a double-headed arrow, like this: ↔.

Front

What symbol represents a Ray?

Back

A ray is represented by a single-headed arrow, like this: →.

Front

What symbol represents a Line Segment?

Back

A line segment is represented by a line over the letters, like this: ‾.

Front

How do you identify a Line Segment?

Back

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 an Angle?

Back

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

Front

What is a Right Angle?

Back

A right angle is an angle that measures exactly 90 degrees.