EVERYTHING YOU NEVER KNEW YOU WANTED TO KNOW ABOUT GEOMETRY  (AND PROBABLY EVEN MORE) .....

     BASICS OF GEOMETRY

              points, lines, & planes

               segments & rays

                angles (definition)

                types of angles

               angle relationships

                properties of congruence

       POLYGONS

              general information

              quadrilaterals

              types of triangles

              more with triangles

              right triangles

              Pythagorean Theorem

              proving triangles congruent

        PERIMETER & AREA        (List of Formulas)

             perimeter  (interactive)
 
              area of rectangles   (interactive)

              area of parallelograms   (interactive)

               area of triangles   (interactive)

               area of trapezoids   (interactive)

                perimeter & area challenge  (interactive)

      CIRCLES

               definitions related to circles

                pi
                    Where Is Pi?   (interactive)

                circle circumferences   (interactive)

                 circle areas   (interactive)

                 circumference & area challenge   (interactive)

          TESSELLATIONS

            POLYHEDRA

           FRACTALS

                 Penrose tiling

                  photo gallery of real fractals

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