Table of Contents
Acknowledgments vi
Girls Get … What? xi
FAQs: How to Use This Book xiii
Part 1 Geometry Basics
Chapter 1 Hot Guys and Smelly Socks: Introduction to Logic and Reasoning 1
Chapter 2 Snow Angels: Geometry Basics 18
Chapter 3 First Impressions: Working with Diagrams 35
Confessional: Assumptions Gone Wrong! 44
Quiz: What's Your Body Image? On the Cover! 46
Part 2 Introduction to Proofs
Chapter 4 Why, Mommy? Why?: Introduction to Two-Column Proofs 50
Chapter 5 Lounge Chairs and Leftover Pizza: The Addition, Subtraction, Multiplication, & Division Properties … and More Proofs! 70
Part 3 Triangles, Congruence, and More Proofs
Chapter 6 Ski Lessons: Introduction to Triangles 88
Chapter 7 Romantic Walks on the Beach: Congruence Transformations 109
Chapter 8 Cheerleading Tryouts: Congruent Triangles 119
Chapter 9 The Many Uses of Lipstick: CPCTC and More Proofs 143
Chapter 10 Your Sister's Crush: Proofs by Contradiction (AKA Indirect Proofs) 165
Chapter 11 Little Miss Know-It-All: Right Triangles and the Pythagorean Theorem 176
Confessional: How Do You Attract Guys? On the Cover? 198
Part 4 Parallel Lines and Polygons
Chapter 12 School Dance Nightmare: Intro to Polygons … and Deriving Formulas 200
Chapter 13 Getting Around the Mall: Parallel Lines and Transversals 214
Chapter 14 Musical Theater Emergency: Proving Lines Are Parallel 227
Chapter 15 Designer Shoes and Handbags: Introduction to Quadrilaterals 241
Chapter 16 Reality Show Drama: Properties of Parallelograms and Other Quadrilaterals 257
Feel Great with These 8 Self-Esteem Boosters! On the Cover! 281
Part 5 Similarity, Circles, Area, and Volume
Chapter 17 Life-Sized Barbie: Similar Triangles 284
Chapter 18 The Birds and the Bees … and Puppy Dogs, Too: Circles 303
Chapter 19 The Warrior Princess: Arcs and Arc Length 324
Chapter 20 Suddenly in the Mood for … Pie: Finding Perimeter and Area 342
Chapter 21 It's A Wrap!: Surface Area and Volume 363
A Final Word 383
Proofs: The Trouble shooting Guide! 385
Appendix 387
List of Rules (Theorems and Postulates) 390
Answer Key 395
Symbol Glossary 403
Index 405
About the Author 415