Term

Definition
names a location in space and has no size
or
formed when 2 lines intersect 


Term

Definition
a straight path that has no thickness and extends forever
or
formed when two planes intersect 


Term

Definition
a flat surface that has no thickness and extends forever 


Term

Definition
points that lie on the same line 


Term

Definition
points that lie on the same plane 


Term

Definition
lines that are not coplanar 


Term

Definition
part of a line consisting of 2 endpoints and all points between them 


Term

Definition
a part of a line that starts at an endpoint and extends forever in one direction 


Term

Definition
a figure formed by 2 rays with a common endpoint 


Term

Definition
the common endpoint of the sides of an angle 


Term

Definition
2 angles in the same plane with a common vertex and a common side 


Term

Definition
2 angles whose measures have a sum of 90 degrees 


Term

Definition
2 angles whose measures have a sum of 180 degrees 


Term

Definition
a pair of adjacent angles that form a line (opposite rays) 


Term

Definition
the point that divides a segment into 2 congruent segments 


Term

Definition
a ray that divides an angle into 2 congruent parts 


Term

Definition
2 lines in the same plane that do not intersect 


Term

Definition
2 lines intersecting to form 90 degree angles 


Term

Definition
an angle measuring 180 degrees 


Term

Definition
an angle measuring less than 90 degrees 


Term

Definition
an angle measuring 90 degrees 


Term

Definition
an angle measuring more that 90 degrees, but less than 180 degrees 

