Basic Postulates & Theorems of Geometry

Postulates | Theorems

Basic Postulates of Geometry

1. Point-Line-Plane Postulate
   1. Unique Line Assumption
   2. Dimision Assumption
   3. Number Line Assumption
   4. Distance Assumption
2. Euclid's Postulates
3. Polygon Inequality Postulates
   1. Triangle Inequality Postulate
   2. Quadrilateral Inequality Postulate

Basic Theorems of Geometry

Line Intersection Theorem
        Two different lines intersect in at most one point.
Betweenness Theorem
        If C is between A and B and on AB, then AC + CB = AB.
Right Angle Congruence Theorem
        All right angles are congruent.