Week 1 Vocab Flashcard

Front

What is a Line?

Back

A straight one-dimensional figure that has no thickness and extends infinitely in both directions.

Front

What are Collinear points?

Back

Points that lie on the same straight line.

Front

What is a Point in geometry?

Back

A location in space represented by a dot, having no dimensions.

Front

What is a Plane?

Back

A flat two-dimensional surface that extends infinitely in all directions, having length and width but no thickness.

Front

What are Coplanar points?

Back

Points that lie in the same plane.

Front

What is a Line Segment?

Back

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

Front

What is a Ray?

Back

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 does it mean for points to be Coplanar?

Back

It means that the points exist within the same geometric plane.

Front

What is the definition of an Angle?

Back

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