Fairmont Senior High School Polygons as Quadrilaterals                               Our team will explore the world of polygons and in particular quadrilaterals. We will discuss  parallelograms, rectangles, rhombi, and squares.   We will explain and prove all properties of each quadrilateral.     Terry Ash  Jeanina Butcher-Ice  Mary Jo Roman   A Few URLs: Rhombus Activity Math Help Concave and convex polygons Golden Rectangle expressed mathematically Prefixes / Mobile    Grade Levels: 9th and 10th   Subject Levels:  Geometry Art English Overview Lesson 1 Lesson 2 Lesson 3 Lesson 4 Lesson 5