7.4: AA Similarity Difficulty Level: At Grade Created by: CK-12 Estimated7 minsto complete % Progress Practice AA Similarity MEMORY METER This indicates how strong in your memory this concept is Practice Progress Estimated7 minsto complete % Estimated7 minsto complete % Practice Now MEMORY METER This indicates how strong in your memory this concept is 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 AA Similarity Postulate If two angles in one triangle are congruent to two angles in another triangle, then the two triangles are similar. Dilation To reduce or enlarge a figure according to a scale factor is a dilation. Triangle Sum Theorem The Triangle Sum Theorem states that the three interior angles of any triangle add up to 180 degrees. 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 teaches students how to identify whether or not two triangles are similar using AA Similarity. Learning Objectives None Related Materials AA Similarity AA Triangle Similarity Difficulty Level: At Grade Authors: Bill Zahner Lori Jordan Tags: AA Similarity congruent MAT.GEO.532.L.2 (2 more) proportional similar Subjects: mathematics Geometry Concept Nodes: MAT.GEO.532 (AA Similarity) 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.