Geometry Vocabulary

Front

What is a line segment?

Back

A set of points that is part of a line and has 2 distinct endpoints.

Front

What is a ray?

Back

A line that extends indefinitely in one direction.

Front

What is a line?

Back

A straight path that extends indefinitely in both directions.

Front

What does coplanar mean?

Back

Points that lie on the same plane.

Front

How do you name an angle using points?

Back

An angle can be named using three points, with the vertex point in the middle.

Front

What is the symbol for an angle?

Back

The symbol for an angle is typically represented by the symbol '∠'.

Front

What is the difference between a line and a line segment?

Back

A line extends indefinitely in both directions, while a line segment has two distinct endpoints.

Front

What is the notation for a ray?

Back

A ray is denoted by two points, with the first point being the endpoint and the second point indicating the direction.

Front

What is the definition of a plane in geometry?

Back

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

Front

How do you determine if points are coplanar?

Back

If you can draw a flat surface that contains all the points, they are coplanar.