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: @@ ext{Line } ightarrow ext{AB}@@.

Front

What symbol represents a Ray?

Back

A ray is represented by an arrow starting from a point, like this: @@ ext{Ray } ightarrow ext{AB}@@.

Front

What symbol represents a Line Segment?

Back

A line segment is represented by a line over the letters, like this: @@ ext{Line Segment } ightarrow ext{AB}@@.

Front

How do you identify a Line Segment?

Back

A line segment has two endpoints and a definite length.

Front

How do you identify a Ray?

Back

A ray has one endpoint and extends infinitely in one direction.

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 a fixed length.

Front

What is the difference between a Ray and a Line Segment?

Back

A ray has one endpoint and extends infinitely, while a line segment has two endpoints.