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) A Closer Examination of Parallelograms Angles of a Parallelogram Lesson 3, Topic 2 In Progress ← Previous Angles of a Parallelogram Lesson Progress 0% Complete