Types of lines

Front

What are parallel lines?

Back

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

Front

What are intersecting lines?

Back

Lines that cross each other at one point.

Front

What are perpendicular lines?

Back

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

Front

How do you denote a line segment?

Back

Front

What is the symbol for a line?

Back

A line is denoted with a double-headed arrow, e.g., @@ ightarrow AB@@.

Front

What is the difference between parallel and intersecting lines?

Back

Parallel lines never meet, while intersecting lines cross at a point.

Front

Can two lines be both parallel and intersecting?

Back

No, two lines cannot be both parallel and intersecting.

Front

What is an example of perpendicular lines in real life?

Back

The corners of a square or rectangle.

Front

What is the angle formed by perpendicular lines?

Back

90 degrees.

Front

How can you identify parallel lines in a diagram?

Back

They will have arrows indicating they are parallel.