Lines, Line Segments, Parallel, Perpendicular Lines

Front

What are parallel lines?

Back

Lines that never meet or cross each other, no matter how far they are extended.

Front

What is a line segment?

Back

A part of a line that has two endpoints.

Front

What do we call the point where two lines meet?

Back

Vertex.

Front

What are perpendicular lines?

Back

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

Front

What is a vertical line?

Back

A line that goes up and down.

Front

What is a horizontal line?

Back

A line that goes side to side.

Front

What are intersecting lines?

Back

Lines that cross each other at any angle.

Front

How can you identify parallel lines?

Back

They are always the same distance apart and never touch.

Front

What is a point in geometry?

Back

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

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.