Term/Pg. #
Meaning/ Definition
How to Name It
Symbol/
Diagram
How far apart the points are
from each other (in units)
Two capital letters, side by
side, with no marking above
them
AB
Point
(Undefined)
Line
(Undefined)
Plane
(Undefined)
Distance (between
two points)
Line Segment
Ray
Angle
Term/Pg. #
Collinear points
Coplanar points
(or lines)
Space
Parallel
Skew
Postulate (axiom)
Congruent
Segments
Segment Bisector
Angle Bisector
Vertex (of an
angle)
Definition
Diagram
Term
Exterior
(of an angle)
Interior
(of an angle)
Degree
(of an angle)
Congruent angles
Adjacent angles
Vertical angles
Complementary
angles
Supplementary
angles
Linear pair (of
angles)
Definition
Diagram