\n \n \n shape,\n \n \n \n triangle,\n \n \n \n quadrilateral,\n \n \n \n polygon,\n \n \n \n symmetry,\n \n \n \n reflection,\n \n \n \n properties,\n \n \n \n rotation,\n \n \n \n polygons,\n \n \n \n reflectional symmetry,\n \n \n \n rotational symmetry,\n \n \n \n classifying triangles,\n \n \n \n regular polygon,\n \n \n \n irregular polygon,\n \n \n \n properties of polygons,\n \n \n \n of\n \n \n
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