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MIDDLE SCHOOL

Mathematics (Grade 8)

Geometry

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Geometry: Non-Rigid Transformations

Describing a Similarity Transformation

Description

Describing a Similarity Transformation

Introduction

Have you ever zoomed in on a photo or resized an image on a screen? The picture gets bigger or smaller, but its shape stays the same. This idea is called a similarity transformation. In math, similarity t...

Transcript

Ben is studying two similar polygons, ABCD and PQRS, on a coordinate grid. He wants to describe the transformation from polygon ABCD to polygon PQRS.

Since polygons are similar, their corresponding side lengths are proportional.

He compares the side lengths and notices that side AB is 4 units long, while the corresponding sid...