Author(s): The Math Forum Drexel University, Jessica Wolk-Stanley
Edition: 1
Year: 2004
Language: English
Pages: 192
Dr. Math Introduces Geometry......Page 3
Contents......Page 7
Acknowledgments......Page 9
Introduction......Page 11
Part 1: Introduction to Two-Dimensional (2-D) Geometric Figures......Page 13
1. Points, Lines, and Planes......Page 14
2. Angles......Page 20
3. Triangles......Page 41
4. Quadrilaterals......Page 52
Resources on the Web......Page 57
Part 2: Areas and Perimeters of Two-Dimensional (2-D) Geometric Figures......Page 59
1. Area and Perimeter......Page 60
2. Units of Area......Page 77
3. Areas and Perimeters of Parallelograms and Trapezoids......Page 82
Resources on the Web......Page 94
Part 3: Circles and Pi......Page 97
1. Pi, Circle Parts, and Circle Measurements......Page 98
Resources on the Web......Page 114
Part 4: Introduction to Three-Dimensional (3-D) Geometric Figures......Page 115
1. Polyhedra......Page 116
2. Platonic Solids......Page 122
3. Surface Area......Page 127
4. Volume......Page 132
5. Nets of Solids......Page 139
Resources on the Web......Page 143
Part 5: Symmetry......Page 147
1. Rigid Motions: Rotation, Reflection, Translation, and Glide Reflection......Page 148
2. Symmetries......Page 153
3. Lines of Symmetry......Page 158
4. Tessellation......Page 167
Resources on the Web......Page 171
Appendix: Geometric Figures......Page 175
Glossary......Page 181
Index......Page 187
