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Parallel Lines and the Transversal

alternate exterior angles outside the parallel lines and are on opposite sides of the transversal.They are congruent.
alternate interior angles inside the parallel lines, opposite sides of the transversal; they are congruent
corresponding angles Angles on same side of the transversal and are in matching corners. They are congruent
supplementary angles two angles who sum is 180 degrees
linear pair a pair of angles that form a straight line. They are supplementary.
Vertical angles a pair of opposite angles formed by intersecting lines. They are congruent.
parallel lines lines that never intersect
transversal A line that cuts across two (or more) parallel lines.
Complementary angles two angles whose sum equals 90 degrees
Created by: juvonna