Geometry01 Introducing Area →01 Introduction to 3D Objects and Volume →02 Unit for Measuring Area →02 What Are Polyhedra? →03 Counting Squares →03 Perspective When Looking at 3D Objects →04 Prisms →04 Rectangles and Parallelograms →05 Area of Triangle →05 Pyramids →06 Net Diagrams →06 Polygons →07 Decomposition of Complex Polygon →07 More on Volumes and Surface Areas →