Points Lines Planes Vocabulary

Front

What is a line segment?

Back

A line segment is a part of a line that is bounded by two distinct endpoints.

Front

What are opposite rays?

Back

Two rays that share the same endpoint and extend infinitely in opposite directions.

Front

How is a line named?

Back

A line can be named using any two points on the line with a line drawn above them, or a lowercase script letter.

Front

What is a point in geometry?

Back

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

Front

How do you identify a line that contains a specific point?

Back

You can identify a line that contains a specific point by naming the line that passes through that point.

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 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 notation for a line?

Back

A line can be denoted by two points on the line, such as AB, or by a lowercase letter, such as line l.

Front

What is the definition of a plane?

Back

A plane is a flat, two-dimensional surface that extends infinitely in all directions.

Front

How do you represent a point in a coordinate system?

Back

A point is represented by an ordered pair (x, y) in a two-dimensional coordinate system.