Back to Course Quadrilaterals (Gr. 8) 0% Complete 0/0 Steps Polygons 4 Topics What is a polygon? Convex and Concave Polygons Regular and Irregular Polygons Sum of the measures of Exterior Angles of a Polygon Types of Quadrilaterals 4 Topics What is a Quadrilateral? Trapezium Kite Parallelogram A Closer Examination of Parallelograms 3 Topics Sides of a Parallelogram Angles of a Parallelogram Diagonals of a Parallelogram Special Parallelograms 3 Topics Rhombus Rectangle Square Participants 840 A Aarna Abhinav Abhishek VbpIhgtG Show more Quadrilaterals (Gr. 8) Polygons Lesson 1 of 4In Progress Polygons Lesson Content 0% Complete 0/4 Steps What is a polygon? Convex and Concave Polygons Regular and Irregular Polygons Sum of the measures of Exterior Angles of a Polygon