Based on patterns you observe.
A conclusion you reach using inductive reasoning.
An example which the conjecture is INcorrect.
Defined set of all points.
Points that lie on the same line.
Part of a line consisting of two endpoints and all points between them.
Part of line consisting one endpoint and all points of line on one side of endpoint.
Postulate or Axiom
An accepted statement or fact.
Flat surface with no thickness.
Planes DO NOT intersect.
Coplanar lines DO NOT intersect.
Two collinear rays with the same endpoint.
A series of points that extends in two opposite directions without end.
Points and lines in the same plane.
Noncoplanar, not parallel and DO NOT intersect.
2 coplanar angles /w/ common side, vertex, + no common interior points.
2 angles whose sides re opposite rays.
2 angles measures sun to 180.
A point that divides the segment into 2 congruent segments.
2 segments /w/ the same length.
Angles /w/ same measure.
2 angles measures sum to 90.
Formed by 2 rays /w/ same endpoint.