Unit 3 Test Review

What is the relationship between two lines that are concurrent?

• They intersect at a single point.

• They are parallel.

• They are skew.

• They are perpendicular.

Which of the following angle pairs are congruent when two parallel lines are cut by a transversal?

• Same-side interior angles

• Alternate interior angles

• Same-side exterior angles

• Vertical angles

If two lines are cut by a transversal and the alternate exterior angles are congruent, what can be concluded about the two lines?

• They are perpendicular.

• They are parallel.

• They are concurrent.

• They are skew.

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

• They are congruent.

• They are supplementary.

• They are complementary.

• They are equal.

Which of the following statements is true about the slopes of two parallel lines?

• They have the same slope.

• Their slopes are negative reciprocals.

• Their slopes are zero.

• Their slopes are undefined.

What is the relationship between two lines that are perpendicular?

• Their slopes are equal.

• Their slopes are negative reciprocals.

• They do not intersect.

• They are parallel.

Which angle pair is formed when two parallel lines are cut by a perpendicular transversal?

• Right angles

• Acute angles

• Obtuse angles

• Vertical angles

Which of the following is true about corresponding angles when two parallel lines are cut by a transversal?

• They are supplementary.

• They are congruent.

• They are complementary.