Explore the properties of 2D shapes from one-sided circles to the eight-sided octagons. What is the difference between a 2D shape and a 3D object? Learn the difference between basic 2D and 3D ...

Ibrahim: We want to ask Angela to explain to us the difference between 2D and 3D shapes. Angela: A flat shape, like the circle on this piece of wood is 2D, but it's completely flat, so you can't ...