Exterior Angle Theorem |
Triangle Congruency Postulates |
Triangle Inequalities and Hinge Theorem |
Two-Column and Flowchart Proofs |
CPCTC |
Constructing a Perpendicular to a Line |
Constructing Altitudes |
Constructing an Angle Bisector |
Constructing a Median |
Point of Concurrency |
Constructing the Incenter |
Constructing the Circumcenter |
Constructing the Orthocenter |
Constructing the Centroid |