Angles formed by Parallel Lines Flashcards
(13 cards)
Parallel lines
lines in the same plane that never intersect
transversal
a line that passes through 2 other lines
alternate interior angles
angles between 2 lines and on opposite sides of a transversal
alternate exterior angles
Angles that lie outside a pair of lines and on opposite sides of a transversal
corresponding angles
Angles in the matching positions on different lines
If two parallel lines are cut by a transversal, then alternate interior angles are _______
congruent
If two parallel lines are cut by a transversal, then alternate exterior angles are _______
congruent
If two parallel lines are cut by a transversal, then corresponding angles are _______
congruent
vertical angles
A pair of opposite congruent angles formed by intersecting lines
adjacent
right next to
supplementary angles
two angles whose measures total 180°
complementary angles
Two angles whose sum is 90 degrees
