Points, Lines, and Rays

Front

What is a line?

Back

A line is straight and extends in both directions forever.

Front

What is a ray?

Back

A ray is 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 is a point?

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 part of a line that has two endpoints.

Front

What is the name of a ray that starts at point A and goes through point B?

Back

Ray AB.

Front

What do we call two lines that intersect at a right angle?

Back

Perpendicular lines.

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

How can you identify parallel lines in a diagram?

Back

Parallel lines will never cross and will remain the same distance apart.

Front

What is the notation for a line segment between points A and B?

Back

Line segment AB is denoted as AB.