Lines, Line Segments, Parallel, Perpendicular Lines

Front

What is the point where two lines meet called?

Back

Vertex

Front

What do you call a line that goes straight up and down?

Back

Vertical line

Front

What is a straight path that extends infinitely in both directions?

Back

Line

Front

What is another name for a square corner?

Back

Right angle

Front

What is a part of a line that has two endpoints?

Back

Line segment

Front

What do you call lines that never intersect?

Back

Parallel lines

Front

What do you call lines that intersect at a 90-degree angle?

Back

Perpendicular lines

Front

What is the term for the distance between two parallel lines?

Back

Perpendicular distance

Front

What is the relationship between two lines that meet at a point?

Back

They are called intersecting lines.

Front

What is the term for an angle that measures less than 90 degrees?

Back

Acute angle