Parallel lines cut by a transversal

Front

Which pair of angles are alternate exterior angles?

Back

Angle 8 and Angle 1

Front

What is the relationship of the angles formed by a transversal cutting through two parallel lines?

Back

Alternate Interior

Front

What do you call two lines that intersect to form four right angles?

Back

Perpendicular

Front

If Angle 1 = 27° , what is the measure of angle 4?

Back

27°

Front

What is a line that intersects two or more lines called?

Back

Transversal

Front

Define alternate interior angles.

Back

Angles that lie between two lines and on opposite sides of a transversal.

Front

Define corresponding angles.

Back

Angles that are in the same position at each intersection where a straight line crosses two others.

Front

What is the sum of the interior angles on the same side of a transversal?

Back

180°.

Front

If two parallel lines are cut by a transversal, what can be said about the alternate exterior angles?

Back

They are equal.

Front

What is the relationship between vertical angles?

Back

Vertical angles are equal.