Dr. Math Introduces Geometry: Learning Geometry is Easy! Just ask Dr. Math!

Introduction.

PART 1: INTRODUCTION TO TWO-DIMENSIONAL (2-D) GEOMETRIC FIGURES.

1. Points, Lines, Planes.

2. Angles.

3. Triangles.

4. Quadrilaterals.

Resources on the Web.

PART 2: AREAS AND PERIMETERS OF TWO-DIMENSIONAL (2-D) GEOMETRIC FIGURES.

1. Area and Perimeter.

2. Units of Area.

3. Area and Perimeters of Parallelograms and Trapezoids.

Resources on the Web.

PART 3: CIRCLES AND PI.

1. Pi, Circle Parts, and Circle Measurements.

Resources on the Web.

PART 4: INTRODUCTION TO THREE-DIMENSIONAL (3-D) GEOMETRIC FIGURES.

1. Polyhedra.

2. Platonic Solids.

3. Surface Area.

4. Volume.

5. Nets of Solids.

Resources on the Web.

PART 5: SYMMETRY.

1. Rigid Motions: Rotation, Reflection, Translation, Glide Reflection.

2. Symmetries.

3. Lines of Symmetry.

4. Tessellations.

Resources on the Web.

Appendix: Geometric Figures.

Glossary.

Index.