9-4: Congruent Figures

Key Concept

A two-dimensional figure is congruent to another two-dimensional figure if you can map one figure to the other by a sequence of rotations, reflections, and translations. The symbol ≅ means “is congruent to.”

A graph of triangles ABC and A´B´C´.

Part 1

Example Describing Sequences of Translations

Given ΔABC≅triaoABC′, describe a sequence of rigid motions that maps ΔABC to ΔABC′.

A graph of triangles ABC and A´B´C´.

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Table of Contents

Digits, Grade 8, Volume 2, Homework Helper Unit D: Two-Dimensional Shapes Unit E: Measurement and Data Unit F: Personal Financial Literacy Unit G: Step-Up Lessons English/Spanish Glossary Formulas Math Symbols Formulas Measures Properties