Types of lines

Front

What is a point in geometry?

Back

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

Front

What is a line segment?

Back

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

Front

What is a ray in geometry?

Back

A ray is a part of a line that starts at a point and extends infinitely in one direction.

Front

What are parallel lines?

Back

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

Front

What are intersecting lines?

Back

Intersecting lines are lines that cross each other at one point.

Front

What are perpendicular lines?

Back

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

Front

How is a line represented in geometric notation?

Back

A line is represented by a double-headed arrow, for example, @@ ightarrow FG@@.

Front

How is a line segment represented in geometric notation?

Back

Front

How is a ray represented in geometric notation?

Back

A ray is represented by a line with one endpoint and an arrow on one side, for example, @@ ightarrow FG@@.

Front

What is the difference between parallel and intersecting lines?

Back

Parallel lines never meet, while intersecting lines cross each other.