8.11: Regular and Irregular Polygons Difficulty Level: At Grade Created by: CK-12 % Progress MEMORY METER This indicates how strong in your memory this concept is Practice Progress % % 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 TermDefinition Parallelogram A parallelogram is a quadrilateral with two pairs of parallel sides. Polygon A polygon is a simple closed figure with at least three straight sides. Quadrilateral A quadrilateral is a closed figure with four sides and four vertices. Rectangle A rectangle is a quadrilateral with four right angles. Rhombus A rhombus is a quadrilateral with four congruent sides. Square A square is a polygon with four congruent sides and four right angles. Image Attributions Show Hide Details Description Identify regular and irregular polygons and their characteristics Learning Objectives None Related Materials Regular and Irregular Polygons Classifying Regular and Irregular Polygons Difficulty Level: At Grade Authors: Jen Kershaw Kimberly Hopkins Tags: irregular polygon MAT.GEO.141.L.2 polygon (1 more) regular polygon Subjects: mathematics Geometry Concept Nodes: MAT.GEO.141 (Regular and Irregular Polygons) Grades: 7 Date Created: Dec 02, 2015 Last Modified: Sep 08, 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.