Chapter 2 Flashcards
(14 cards)
perpendicular
lines rays or segs that intersect at rt angles
complementary angles
2 angles who sum is 90 degrees
supplementary
2 angles whos sum is 180 degrees
if two angles are sup to the same angle then
they are congruent
if two angles are sup to congruent angles then
they are congruent
if two angles are complementary to the same angle then
they are congruent
if two angles are complementary to congruent angles then
they are congruent
addition property
small to big
subtraction property
big to small
multiplication property
small to big times two midpoint trisect or bisect
division property
big to small times two midpoint trisect or bisect
transitive property
show a series of congruent
substitution property
replacing
if two angles are vertical angles then
they are congruent