Segment Addition Postulate

Transitive Property of Equality

Subtraction Property of Equality

Angle Addition Postulate

Substitution Property of Equality

Pependicular Bisector Theorem

Converse of the Perpendicular Bisector Theorem

Angle Bisector Theorem

Converse of the Angle Bisector Theorem

Circumcenter Theorem

Incenter Theorem

Centroid Theorem

Triangle Midsegment Theorem

Triangle Longer Side Theorem

Triangle Larger Angle Theorem

Triangle Inequality Theorem

Hinge Theorem

Converse of the Hinge Theorem

Base Angles Theorem

Polygon Exterior Angles Theorem

Parallelogram Opposite Sides Theorem

Parallelogram Opposite Angles Theorem

Parallelogram Consecutive Angles Theorem

Parallelogram Diagonal Theorem

Parallogram Opposite Sides Parallel and Congruent Theorem

Parallelogram Diagonals Converse

Rhombus Corollary

Rectangle Corollary

Square Corollary

Rhombus Diagonals Theorem

Triangle Sum Theorem

Exterior Angle Theorem

Polygon Interior Angles Theorem

Polygon Exterior Angles Theorem

Corollary to the Polygon Interior Angles Theorem

Parallelogram Opposite Sides Theorem

Parallelogram Opposite Angles Theorem

Parallelogram Consecutive Angles Theorem

Parallelogram Opposite Sides Parallel and Congruent Theorem

Rhombus Corollary

Parallelogram Diagonals The0rem

Rectangle Corollary