# 7.11: Dilation

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Dilation

To reduce or enlarge a figure according to a scale factor is a dilation.Quadrilateral

A quadrilateral is a closed figure with four sides and four vertices.Ratio

A ratio is a comparison of two quantities that can be written in fraction form, with a colon or with the word “to”.Scale Factor

A scale factor is a ratio of the scale to the original or actual dimension written in simplest form.Transformation

A transformation moves a figure in some way on the coordinate plane.Vertex

A vertex is a point of intersection of the lines or rays that form an angle.Rigid Transformation

A rigid transformation is a transformation that preserves distance and angles, it does not change the size or shape of the figure.### Image Attributions

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Description

This concept introduces dilations and how to find scale factors.

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Date Created:

Jul 17, 2012
Last Modified:

Aug 02, 2016
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