### Chapter 1

Discovering Points, Lines, Planes And Angles

1-1 | The Coordinate Plane | Exercises | p.8 |

1-2 | Points, Lines, and Planes | Exercises | p.15 |

1-3 | Using Formulas | Exercises | p.22 |

1-4 | Measuring Segments | Exercises | p.32 |

1-5 | Midpoints and Segment Congruence | Exercises | p.40 |

1-6 | Exploring Angles | Exercises | p.49 |

1-7 | Angle Relationships | Exercises | p.58 |

Review Exercises | p.61 |

### Chapter 2

Connecting Reasoning And Proof

2-1 | Inductive Reasoning and Conjecturing | Exercises | p.72 |

2-2 | If-Then Statements and Postulates | Exercises | p.80 |

2-3 | Deductive Reasoning | Exercises | p.87 |

2-4 | Using Proof in Algebra | Exercises | p.94 |

2-5 | Verifying Segment Relationships | Exercises | p.102 |

2-6 | Verifying Angle Relationships | Exercises | p.110 |

Review Exercises | p.115 | ||

Standardized Test Practice | p.120 |

### Chapter 3

Using Perpendicular And Parallel Lines

3-1 | Parallel Lines and Transversals | Exercises | p.127 |

3-2 | Angles and Parallel Lines | Exercises | p.134 |

3-3 | Slopes of Lines | Exercises | p.141 |

3-4 | Proving Lines Parallel | Exercises | p.149 |

3-5 | Parallels and Distance | Exercises | p.157 |

3-6 | Spherical Geometry | Exercises | p.167 |

Review Exercises | p.171 |

### Chapter 4

Identifying Congruent Triangles

4-1 | Classifying Triangles | Exercises | p.183 |

4-2 | Measuring Angles in Triangles | Exercises | p.192 |

4-3 | Exploring Congruent Triangles | Exercises | p.199 |

4-4 | Proving Triangles Congruent | Exercises | p.208 |

4-5 | More Congruent Triangles | Exercises | p.216 |

4-6 | Analyzing Isosceles Triangles | Exercises | p.224 |

Review Exercises | p.229 | ||

Standardized Test Practice | p.234 |

### Chapter 5

Applying Congruent Triangles

5-1 | Special Segments In Triangles | Exercises | p.241 |

5-2 | Right Triangles | Exercises | p.248 |

5-3 | Indirect Proof and Inequalities | Exercises | p.255 |

5-4 | Inequalities for Sides and Angles of a Triangle | Exercises | p.262 |

5-5 | The Triangle Inequality | Exercises | p.269 |

5-6 | Inequalities Involving Two Triangles | Exercises | p.275 |

Review Exercises | p.281 |

### Chapter 6

Exploring Quadrilaterals

6-1 | Parallelograms | Exercises | p.294 |

6-2 | Tests for Parallelograms | Exercises | p.300 |

6-3 | Rectangles | Exercises | p.309 |

6-4 | Squares and Rhombi | Exercises | p.316 |

6-5 | Trapezoids | Exercises | p.324 |

Review Exercises | p.329 | ||

Standardized Test Practice | p.334 |

### Chapter 7

Connecting Proportion And Similarity

7-1 | Using Proportions | Exercises | p.341 |

7-2 | Exploring Similar Polygons | Exercises | p.349 |

7-3 | Identifying Similar Triangles | Exercises | p.357 |

7-4 | Parallel Lines and Proportional Parts | Exercises | p.366 |

7-5 | Parts of Similar Triangles | Exercises | p.372 |

7-6 | Fractals and Self-Similarity | Exercises | p.381 |

Review Exercises | p.387 |

### Chapter 8

Applying Right Triangles And Trigonometry

8-1 | Geometric Mean and the Pythagorean Theorem | Exercises | p.400 |

8-2 | Special Right Triangles | Exercises | p.408 |

8-3 | Ratios in Right Triangles | Exercises | p.415 |

8-4 | Angles of Elevation and Depression | Exercises | p.422 |

8-5 | Using the Law of Sines | Exercises | p.428 |

8-6 | Using the Law of Cosines | Exercises | p.433 |

Review Exercises | p.437 |

### Chapter 9

Analyzing Circles

9-1 | Exploring Circles | Exercises | p.449 |

9-2 | Angles and Arcs | Exercises | p.454 |

9-3 | Arcs and Chords | Exercises | p.461 |

9-4 | Inscribed Angles | Exercises | p.469 |

9-5 | Tangents | Exercises | p.478 |

9-6 | Secants, Tangents, and Angle Measures | Exercises | p.486 |

9-7 | Special Segments in a Circle | Exercises | p.494 |

9-8 | Equations of Circles | Exercises | p.500 |

Review Exercises | p.505 |

### Chapter 10

Exploring Polygons And Area

10-1 | Polygons | Exercises | p.518 |

10-2 | Tessellations | Exercises | p.525 |

10-3 | Area of Parallelograms | Exercises | p.532 |

10-4 | Area of Triangles, Rhombi, and Trapezoids | Exericses | p.538 |

10-5 | Area of Regular Polygons and Circles | Exercises | p.547 |

10-6 | Geometric Probability | Exercises | p.554 |

10-7 | Polygons as Networks | Exercises | p.561 |

Review Exercises | p.565 |

### Chapter 11

Investigating Surface Area And Volume

11-1 | Exploring Three-Dimensional Figures | Exercises | p.578 |

11-2 | Nets and Surface Area | Exercises | p.586 |

11-3 | Surface Area of Prisms and Cylinders | Exercises | p.595 |

11-4 | Surface Area of Pyramids and Cones | Exercises | p.603 |

11-5 | Volume of Prisms and Cylinders | Exercises | p.610 |

11-6 | Volume of Pyramids and Cones | Exercises | p.617 |

11-7 | Surface Area and Volume of Spheres | Exercises | p.625 |

11-8 | Congruent and Similar Solids | Exercises | p.632 |

Review Exercises | p.637 |

### Chapter 12

Continuing Coordinate Geometry

12-1 | Graphing Linear Equations | Exercises | p.648 |

12-2 | Writing Equations of Lines | Exercises | p.655 |

12-3 | Scatter Plots and Slopes | Exercises | p.662 |

12-4 | Coordinate Proof | Exercises | p.668 |

12-5 | Vectors | Exercises | p.676 |

12-6 | Coordinates in Space | Exercises | p.683 |

Review Exercises | p.687 |

### Chapter 13

Investigating Loci And Coordinate Transformations

13-1 | What Is Locus? | Exercises | p.699 |

13-2 | Locus and Systems of Linear Equations | Exercises | p.706 |

13-3 | Intersection of Loci | Exercises | p.712 |

13-4 | Mappings | Exercises | p.718 |

13-5 | Reflections | Exercises | p.725 |

13-6 | Translations | Exercises | p.733 |

13-7 | Rotations | Exercises | p.741 |

13-8 | Dilations | Exercises | p.749 |

Review Exercises | p.755 |