Geometric Terms and Symbols

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 definition of an angle?

Back

An angle is formed by two rays that meet at a single endpoint, called the vertex.

Front

What is a point in geometry?

Back

A point is an exact location in space, represented by a dot.

Front

What are perpendicular lines?

Back

Perpendicular lines are lines that intersect at a right angle (90 degrees).

Front

What does the symbol @@ ightarrow{AB}@@ represent?

Back

The symbol @@ ightarrow{AB}@@ represents a ray that starts at point A and passes through point B.

Front

What are parallel lines?

Back

Parallel lines are lines in a plane that never intersect and are always the same distance apart.

Front

What is a line segment?

Back

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

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 vertex of an angle?

Back

The vertex of an angle is the point where the two rays meet.

Front

What is the symbol for a line segment?

Back