Parallel Lines and Transversals with Equations

These angles are a pair of angles on the inner sides of two parallel lines cut by a transversal, that are on opposite sides of the transversal. Their measures are congruent.

• Alternate Interior Angles

• Alternate Exterior Angles

• Vertical Angles

• Corresponding Angles

These angles are formed when two parallel lines are cut by a transversal and are located in the same position at each intersection.

• Alternate Exterior Angles

• Alternate Interior Angles

• Vertical Angles

• Corresponding Angles

These angles are a pair of angles, on the outer sides of two parallel lines cut by a transversal, that are on opposite sides of the transversal. Their measures are congruent.

• Alternate Interior Angles

• Alternate Exterior Angles

• Corresponding Angles

• Vertical Angles

__________ are a pair of opposite congruent angles formed by intersecting lines.

• Alternate Interior Angles

• Alternate Exterior Angles

• Corresponding Angles

• Vertical Angles

This pair of angles add up to 180°.

• Complementary

• Supplementary

• Congruent

• Vertical

What do pairs of vertical angles, alternate interior angles, alternate exterior angles, and corresponding angles all have in common? Choose ALL correct answers.

• The two angles in each pair are congruent to each other

• They are created when parallel lines are cut by a transversal

• The two angles in each pair add up to 180°

• The two angles in each pair are always acute

What is the relationship between angles 1 and 3?

• They are alternate interior angles

• They are corresponding angles

• They are vertical angles

• They are alternate exterior angles

What do you know about the measurement of angles 5 and 8?

• The angle measures are the same

• The sum of the angle measures is 90°

• The sum of the angle measures is 180°

• There is not enough information

What is the relationship between angles 2 and 8?

• They are alternate interior angles

• They are alternate exterior angles

• They are corresponding angles

• They are vertical angles

What is the relationship between angles 4 and 6?

• They are alternate interior angles

• They are alternate exterior angles

• They are vertical angles

• They are corresponding angles