MO Geometry Notation

Front

What is a line segment?

Back

A part of a line that has two endpoints.

Front

What does the notation \( \overline{AB} \) represent?

Back

Line segment AB.

Front

What is a ray?

Back

Part of a line that has one endpoint and extends infinitely in one direction.

Front

What does the notation \( \overrightarrow{AB} \) represent?

Back

Ray AB.

Front

What is the term for a part of a line with no endpoints?

Back

Line.

Front

What does the term 'collinear' mean?

Back

Points that lie on the same straight line.

Front

What does the term 'coplanar' mean?

Back

Points that lie on the same plane.

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

Typically represented with two points, e.g., \( AB \) or \( \overleftrightarrow{AB} \).

Front

What is the definition of an angle?

Back

Formed by two rays with a common endpoint.