12.1: Reflection Symmetry Difficulty Level: At Grade Created by: CK-12 Estimated4 minsto complete % Progress Practice Reflection Symmetry MEMORY METER This indicates how strong in your memory this concept is Practice Progress Estimated4 minsto complete % Estimated4 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 Congruent Congruent figures are identical in size, shape and measure. Isosceles Triangle An isosceles triangle is a triangle in which exactly two sides are the same length. Line of Symmetry A line of symmetry is a line that can be drawn to divide a figure into equal halves. Line Symmetry A figure has line symmetry or reflection symmetry when it can be divided into equal halves that match. reflection symmetry A figure has reflection symmetry if it can be reflected across a line and look exactly the same as it did before the reflection. Symmetry A figure has symmetry if it can be transformed and still look the same. Image Attributions Show Hide Details Description This concept teaches students how to determine whether or not a shape has reflection symmetry and how to draw lines of symmetry. Learning Objectives None Related Materials Reflection Symmetry Reflection Symmetry Difficulty Level: At Grade Authors: Bill Zahner Lori Jordan Tags: line of symmetry MAT.GEO.912.L.2 reflection symmetry Subjects: mathematics Geometry Concept Nodes: MAT.GEO.912 (Reflection Symmetry) 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.