consecutive interior/exterior angles are angles located on the ________ of the transversal
same side
consecutive interior/exterior angles are
supplementary
corresponding angles occupy the same relative position at each line intersection. corresponding angles are
congruent
alternate interior angles are non ____ angles that lie _____ the lines on ______ sides of the transversal
consecutive
inside
opposite
alternate interior angles are
congruent
alternate exterior angles are non _______ angles that lie _______ the lines ________ sides of the transversal
consecutive
outside
opposite
alternate exterior angles are
congruent
if two intersecting lines form a _____ _____ of congruent ________ then the lines are _______
linear pair
angles
perpendicular
perpendicular transversal thm
if a transversal is perpendicular to one of two parallel lines, then it is perpendicular to the other line
if to coplanar lines are perpendicular to the same line, then the two lines are parallel to each other.
some thm
corresponding angles postulate
if two parallel lines are cut by a transversal, then the pairs of corresponding angles are congruent.
alternate interior angles thm
if two parallel lines are cut by a transversal then the pairs of alternate interior angles are congruent
alternate exterior angles thm
if two parallel lines are cut by a transversal then the pairs of alternate exterior angles are congruent
same side interior angles thm
if two parallel lines are cut by a transversal, then two pairs of alternate exterior angles are congruent.
two lines are parallel when they have
the same slope and different y-intercepts
two intersecting lines have
different slopes and y-intercepts
two coinciding or equal lines
same y-intercept and slopes
two lines are perpendicular when they have
opposite recipricol slopes
