Theorem, Postulate and Corollary List CHAPTER 2 REASONING AND PROOF Postulates 2.1 – 2.7 Theorem 2.1 Midpoint Theorem Postulate 2.8 Ruler Postulate Postulate 2.9 Segment Addition Postulate Theorem 2.2 Segment Congruence 1 Postulate 2.10 Protractor Postulate Postulate 2.11 Angle Addition Postulate Theorems 2.3 and 2.4 Supplement and Complement Theorems Theorem 2.5 2 Theorems 2.6 and 2.7 Theorem 2.8 Vertical Angle Theorem Theorems 2.9 – 2.13 Right Angle Theorems CHAPTER 3 PARALLEL AND PERPENDICULAR LINES Postulate 3.1 Corresponding Angles Postulate 3 Theorem 3.1 – 3.3 Parallel Lines and Angle Pairs Theorem 3.4 Perpendicular Transversal Theorem Postulate 3.2 and 3.3 Parallel and Perpendicular Lines Postulate 3.4 4 Postulate 3.5 Parallel Postulate Theorems 3.5 – 3.8 Proving Lines Parallel Theorem 3.9 CHAPTER 4 CONGRUENT TRIANGLES Theorem 4.1 Angle Sum Theorem 5 Theorem 4.2 Third Angle Theorem Theorem 4.3 Exterior Angle Theorem Corollaries 4.1 and 4.2 Theorem 4.4 Properties of Triangle Congruence 6 Postulate 4.1 Side-Side-Side Congruence (SSS) Postulate 4.2 Side-Angle-Side Congruence (SAS) Postulate 4.3 Angle-Side-Angle Congruence (ASA) Theorem 4.5 Angle-Angle-Side Congruence (AAS) 7 Theorem 4.6-4.8 and Postulate 4.4 Right Triangle Congruence Theorem 4.9 Isosceles Triangle Theorem Theorem 4.10 8 Corollaries 4.3 and 4.4 CHAPTER 5 RELATIONSHIPS IN TRIANGLES Theorem 5.1 and 5.2 Points on Perpendicular Bisectors Theorem 5.3 Theorems 5.4 and 5.5 Points on Angle Bisectors 9 Theorem 5.6 Incenter Theorem Theorem 5.7 Centroid Theorem Theorem 5.8 Exterior Angle Inequality Theorem Theorem 5.9 Theorem 5.10 10 Theorem 5.11 Triangle Inequality Theorem Theorem 5.12 Corollary 5.1 Theorem 5.13 SAS Inequality/Hinge Theorem Theorem 5.14 SSS Inequality 11 CHAPTER 6 QUADRILATERALS Theorem 6.1 Interior Angle Sum Theorem Theorem 6.2 Exterior Angle Sum Theorem Theorems 6.3 - 6.6 12 Theorem 6.7 Theorem 6.8 Theorems 6.9 – 6.12 Proving Parallelograms 13 Theorem 6.13 Theorem 6.14 Theorems 6.15 – 6.17 Rhombus Theorem 6.18 and 6.19 Isosceles Trapezoid 14 Theorem 6.20 CHAPTER 7 Proportions and similarity Postulate 7.1 Angle-Angle (AA) Similarity Theorem 7.1 and 7.2 Theorem 7.3 15 Theorem 7.4 Triangle Proportionality Theorem Theorem 7.5 Converse of the Triangle Proportionality Theorem Theorem 7.6 Triangle Midsegment Theorem Corollaries 7.1 and 7.2 16 Theorem 7.7 Proportional Perimeters Theorem Theorem 7.8 – 7.10 Special Segments of Similar Triangles Theorem 7.11 Angle Bisector Theorem 17 CHAPTER 8 RIGHT TRIANGLES AND TRIGONOMETRY Theorem 8.1 Theorem 8.2 Theorem 8.3 Theorem 8.4 Pythagorean Theorem Theorem 8.5 Converse of the Pythagorean Theorem 18 Theorem 8.6 Theorem 8.7 Theorem 8.8 Law of Sines Theorem 8.9 Law of Cosines 19 CHAPTER 9 TRANSFORMATIONS Theorem 9.1 and Corollary 9.1 Theorem 9.2 Theorem 9.3 CHAPTER 10 CIRCLES Theorem 10.1 Postulate 10.1 Arc Addition Postulate 20 Theorem 10.2 Theorem 10.3 Theorem 10.4 Theorem 10.5 Inscribed Angle Theorem 21 Theorem 10.6 Theorem 10.7 Theorem 10.8 Theorem 10.9 Theorem 10.10 Theorem 10.11 22 Theorem 10.12 Theorem 10.13 Theorem 10.14 23 Theorem 10.15 Theorem 10.16 Theorem 10.17 CHAPTER 11 AREA OF POLYGONS AND CIRCLES Postulate 11.1 Postulate 11.2 24 CHAPTER 13 VOLUME Theorem 13.1 25 .