A My Math Video displays various positions of a butterfly as it lands on a flower.

BIG ideas

  1. Transformations

    Essential Questions How can you change a figure's position without changing its size and shape? How can you change a figure's size without changing its shape?

  2. Coordinate Geometry

    Essential Question How can you represent a transformation in the coordinate plane?

  3. Visualization

    Essential Question How do you recognize symmetry in a figure?

Chapter Preview

  • 9-1 Translations
  • 9-2 Reflections
  • 9-3 Rotations
  • 9-4 Symmetry
  • 9-5 Dilations
  • 9-6 Compositions of Reflections
  • 9-7 Tessellations

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Table of Contents

Prentice Hall Geometry Chapter 1 Tools of Geometry Chapter 2 Reasoning and Proof Chapter 3 Parallel and Perpendicular Lines Chapter 4 Congruent Triangles Chapter 5 Relationships Within Triangles Chapter 6 Polygons and Quadrilaterals Chapter 7 Similarity Chapter 8 Right Triangles and Trigonometry Chapter 9 Transformations Chapter 10 Area Chapter 11 Surface Area and Volume Chapter 12 Circles Skills Handbook Reference Visual Glossary Selected Answers Index Acknowledgments