Geometry - Lines

Front

What is a line segment?

Back

Part of a line with 2 endpoints.

Front

What is a ray?

Back

Part of a line with 1 endpoint and goes on forever.

Front

What are parallel lines?

Back

Lines that never intersect and are always the same distance apart.

Front

What is an angle?

Back

A figure formed by two rays with a common endpoint.

Front

What is a line?

Back

A straight path of points that goes on and on in two directions.

Front

What are perpendicular lines?

Back

Lines that intersect at a right angle (90 degrees).

Front

What is an intersecting line?

Back

Lines that cross each other at any angle.

Front

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

Back

A line goes on forever in both directions, while a line segment has two endpoints.

Front

What is the endpoint of a ray?

Back

The point where the ray starts, which is one of its endpoints.

Front

How many endpoints does a line have?

Back

A line has no endpoints.