Understanding Pairs of Lines Quiz

Which of the following pairs of lines are parallel?

• Two lines that cross each other

• Two lines that never meet

• Two lines that form a right angle

• Two lines that meet at one point

If two lines are perpendicular, what is the angle between them?

• 45 degrees

• 90 degrees

• 180 degrees

• 360 degrees

Which of the following statements is true about parallel lines?

• They always intersect at one point.

• They are always the same distance apart.

• They form a right angle.

• They can be curved.

If line A is parallel to line B, and line B is parallel to line C, what can you say about line A and line C?

• Line A is perpendicular to line C.

• Line A is parallel to line C.

• Line A intersects line C.

• Line A and line C form a right angle.

Which of the following pairs of lines are perpendicular?

• Two lines that never meet

• Two lines that form a 90-degree angle

• Two lines that are the same distance apart

• Two lines that meet at an acute angle

If two lines intersect and form four angles, what can you say about the opposite angles?

• They are different.

• They are equal.

• They are complementary.

• They are supplementary.

Which of the following is a characteristic of perpendicular lines?

• They never meet.

• They form a 90-degree angle.

• They are always parallel.

• They form an obtuse angle.

If two lines are parallel, what can you say about the angles formed when a third line crosses them?

• All angles are different.

• Corresponding angles are equal.

• Alternate interior angles are different.

• All angles are obtuse.

Which of the following best describes skew lines?

• Lines that are parallel and never meet

• Lines that intersect at a right angle

• Lines that do not intersect and are not parallel

• Lines that are in the same plane

If two lines are cut by a transversal and the alternate interior angles are equal, what can you conclude about the two lines?

• They are perpendicular.

• They are parallel.

• They are skew.

• They are intersecting.