7.11: Dilation Difficulty Level: At Grade Created by: CK-12 Estimated5 minsto complete % Progress Practice Dilation Practice Progress Estimated5 minsto complete % Practice Now Share Add to Library Turn In Read Practice Resources Details Loading... Notes/Highlights Having trouble? Report an issue. Color Highlighted Text Notes Show More Vocabulary Language: English ▼ English 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 Show Hide Details Description This concept introduces dilations and how to find scale factors. Learning Objectives None Related Materials Dilations Dilation Recognizing Dilations Dilations Difficulty Level: At Grade Authors: Bill Zahner Lori Jordan Tags: center of dilation dilation MAT.GEO.552.L.2 (3 more) scale factor similar Transformation Subjects: mathematics Geometry Concept Nodes: MAT.GEO.552 (Dilation) Grades: 9 , 10 Date Created: Jul 17, 2012 Last Modified: Aug 02, 2016 Vocabulary None Save or share your relevant files like activites, homework and worksheet.To add resources, you must be the owner of the Modality. Click Customize to make your own copy.