Pythagorean Theorem PBS Proof for Pythagorean Theorem Math for Morons Like Us--Special Right Triangles "Quazy" QuadrilateralsRegent's Prep: All About Quadrilaterals Math for Morons Like Us--properties of quadrilaterals Quadrilateral Quest (LACOE) GoMath: Parallelograms GoMath: Trapezoids Symmetry & Other "Artistic" ApplicationsSymmetry Activities Fun with Alphabet Symmetry Symmetry in Flags Symmetry in Action (literally!) Amazing (symmetrical) Quilt Block Design Navajo Rugs use Quadrilaterals Border Pattern Gallery Knotwork in Celtic Art Making Double Strand Celtic Knots Drawing Circle-based Celtic Knots How To... Celtic Design Around the World with Tile Designs 17 Geometric Japanese Tile Designs Arabic Inspired Tiles Patterns from the Alhambra (Moorish design) African Textiles (scroll down about one-third for graphics) Art of Oriental Carpets Geometric Wallpapers Erich's Packing Center (check it out!)  Pendleton Blankets--Native American
Geometry & Art Through the Ages Geometric BasicsWhat is a Polygon? Math.com: Geometry Words Math.com: Angles & Intersecting Lines Math.com: Classifying Angles Math League: ALL about Angles Math.com: Pairs of Lines Think Quest: Basic Geometry & Beyond Angles, Angle Pairs, & Angle Congruence Math Stuff on parallel lines with transversal Math for Morons does Parallel Lines Pink Monkey... Transversal & Parallel Lines Polygons & Polyhedra (properties of 2-d & 3-d shapes)Math for Morons Like Us--Similar Polygons Regent's Prep: Similar Polygons Triple A Math: Polygon Patterns BrainPop: Polygons Math.com: Polygon Properties Regent's Prep: Sum of Interior Angle Patterns Regent's Prep: Interior Angle of Regular Polygons Ask Dr. Math: Middle School Triangles & other Polygons Dr. Math: Naming Polygons & Polyhedra Paper Models of Polyhedra Regent's Prep: Analyzing 3-d Shapes Math League's Geometry Topics The Challenge of the 7 Cups | 
