What Is a Scale Drawing?

What Is a Scale Drawing?

Introduction

A scale drawing represents an actual object at a different size while keeping the same shape. Every corresponding length changes by the same scale factor.

Theory

You are mapping a 24 by 16 foot garden on paper. You accidentally draw it 8 by 6 inches, whose ratio differs from the garden’s ratio.

Cross-multiplying gives 128 and 144, so the ratios are not equal. A scale drawing is a scaled copy of an actual shape. The scale relates drawing lengths to actual lengths, while the scale factor multiplies e...