Parallel Lines Vocabulary Flashcards
(11 cards)
parallel lines
two coplanar lines that never touch when extended in each direction
transversal
a line/line segment that intersects two other lines at two distinct points
alternate interior angles
a pair of angles of opposite sides of the transversal between the parallel lines
same-side interior angles
2 angles on the same side of the transversal between the parallel lines
alternate exterior angles
2 angles on opposite sides of the transversal outside of the parallel lines
same-side exterior angles
2 angles on the same side of the transversal on the outside of the parallel lines
corresponding angles
2 angles on the same side of the transversal & in the same position on the parallel lines
parallel planes
two planes that do not intersect
perpendicular planes
two planes that intersect at a 90 degree angle
skew lines
two lines that never intersect and aren’t parallel
(on different planes)
