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Standard #: MA.912.G.2.1 (Archived Standard) This document was generated on CPALMS - www.cpalms.org Identify and describe convex, concave, regular, and irregular polygons. Subject Area: X-Mathematics (former standards - 2008) Grade: 912 Body of Knowledge: Geometry Standard: Polygons - Identify and describe polygons (triangles, quadrilaterals, pentagons, hexagons, etc.), using terms such as regular, convex, and concave. Find measures of angles, sides, perimeters, and areas of polygons, justifying the methods used. Apply transformations to polygons. Relate geometry to algebra by using coordinate geometry to determine transformations. Use algebraic reasoning to determine congruence, similarity, and symmetry. Create and verify tessellations of the plane using polygons. Date Adopted or Revised: 09/07 Content Complexity Rating: Level 3: Strategic Thinking & Complex Reasoning - More Information Date of Last Rating: 06/07 Status: State Board Approved - Archived Assessed: Yes Remarks/Examples Example 1: Draw a hexagon. Is it convex or concave? Is it regular or irregular? Explain your answers. Example 2: Define the terms convex, concave, regular and irregular polygon and draw a picture of the tern next to the definition. Related Access Points Independent Access Point Number Access Point Title Determine if polygons have all sides and angles equal (regular) or have sides or angles that are not equal (irregular) using physical and visual models. MA.912.G.2.In.a Supported Access Point Number Access Point Title Identify polygons with all sides and angles equal (regular) in the environment. MA.912.G.2.Su.a Participatory Access Point Number MA.912.G.2.Pa.a Access Point Title Identify objects or pictures with polygons. Related Resources Image/Photograph Name Clipart: Geometric Shapes Description In this lesson, you will find clip art and various illustrations of polygons, circles, ellipses, star polygons, and inscribed shapes. Parent Resources Name Clipart: Geometric Shapes Description In this lesson, you will find clip art and various illustrations of polygons, circles, ellipses, star polygons, and inscribed shapes.