9-5: Additional Problem Solving

Part 1

Example Describing Sequences of Three Rigid Motions

Given ΔABC≅ΔDEF, describe a sequence of three different rigid motions that map ΔABC to ΔDEF.

A graph of triangles ABC and DEF.

Solution

First, translate ΔABC left 3 units and down 2 units.

Triangle ABC now has vertices A(−2, 2), B(0, −1), and C(2, 1).


End ofPage 319

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