Parallel and Perpendicular Lines Flashcards

Question 1

What are parallel lines?

Accepted Answer

Two coplanar lines that never intersect, no matter how far they are extended.

Question 2

What are alternate interior angles?

Accepted Answer

A pair of angles between the two lines and on opposite sides of the transversal.

Question 3

What does it mean for two lines to be perpendicular, and what angle do they form?

Accepted Answer

Perpendicular lines intersect to form a right angle; the angle between them is $90^\circ$.

Master Math with AI