Lines, Points, Rays, Line Segments

Front

What is a line?

Back

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

Front

What is a point?

Back

A point is a precise location in space that has no size or dimension.

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

What is a line segment?

Back

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

Front

How do you represent a line segment in notation?

Back

Front

How do you represent a ray in notation?

Back

A ray is represented by its endpoint and another point, with an arrow over it, e.g., @@ ightarrow{AB}@@.

Front

How do you represent a line in notation?

Back

A line is represented by two points with a double-headed arrow over them, e.g., @@ ightarrow{AB}@@.

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 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.

Front

What is an angle?

Back

An angle is formed by two rays that share a common endpoint.