Topic 2 Parallel Lines and Transversals Geoemetry

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 the slope of parallel lines?

Back

Parallel lines have equal slopes.

Front

What is a transversal?

Back

A transversal is a line that intersects two or more lines at different points.

Front

What are corresponding angles?

Back

Corresponding angles are angles that are in the same position at each intersection where a transversal crosses two lines.

Front

What is the relationship between alternate interior angles when two lines are parallel?

Back

Alternate interior angles are equal when two lines are parallel.

Front

What is the relationship between same-side interior angles when two lines are parallel?

Back

Same-side interior angles are supplementary when two lines are parallel.

Front

What is a linear pair of angles?

Back

A linear pair of angles are two adjacent angles that form a straight line and sum to 180 degrees.

Front

How can you prove that two lines are parallel using angles?

Back

If a transversal creates equal corresponding angles or equal alternate interior angles, the lines are parallel.

Front

What is the sum of the angles in a linear pair?

Back

The sum of the angles in a linear pair is 180 degrees.

Front

What is the significance of the angle relationships formed by a transversal?

Back

The angle relationships help determine whether the lines cut by the transversal are parallel.