chapter 1 vocab geometry (common core)

segment : is part of a line that consists of two endpoints and all collinear points in between

coplanar : points and lines that lie in the same plane

space : is the set of all points

net : a 2D diagram that folds into a 3D figure

congruent : when two angle or two segments have the same length

right angle : an angle whose measure is 90

postulate : fact

vertical angle : a pair of angles whose sides form two opposite rays

supplementary : two angles with a sum of 180

linear pair : adjacent angles whose non common sides are opposite rays

diagonal : segment that connects two non consecutive

circumfrance : distance around the circle