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Scaling Three Dimensional Figures

In this topic, we will learn the concept of scaling in three dimensional figures. How to make scale models of solid figures and solving application problems based on the same is also covered.

Topic: Scale Models and Factors

  • The scale factor is the ratio of the two edge lengths

  • The ratio of the volume of two models is equal to the cube of the scale factor for the two models

  • The ratio of the surface areas of two models is equal to the square of the scale factor for the two models

Topic: Application Problems

  • To find the scale factor of the two models, we take the ratio of the edge lengths

  • The ratio of the volume of the two models is equal to the cube of the scale factor for the two models

  • The ratio of the surface areas of the two models is equal to the square of the scale factor for the two models
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