General Geo
two angles whose sum is 90 degrees
complementary
on the same line
collinear
two angles whose side are opposite rays
Vertical Angles
An exact location in space with an indefinite shape and size
Point
non collinear
two angles whose measures have a sum of 90 each angle is called the compliment of the other
complimentary
Part of a line consisting of one endpoint and extending indefinitely in one direction
Ray
points on the same plane
coplanar
two angles whose measures have a sum of 180 each angle is called the supplement of the other
supplementary
rays that share a common endpoint but continue indefinitely in opposite directions
opposite rays
points not on the same plane
non coplanar
a pair adjacent angles whose non common sides are opposite rays
Linear pair
An object with no thickness that extends indefinitely in two directions
line
two coplanar angles with a common side a common vertex and no common interior points
Adjacent Angles
A triangle that has 3 congruent sides
triangle sum theorom