2D shapes can be described by their sides ... The faces can be the same shape or different, and a 3D shape could have a curved surface as well as flat faces. A square has 4 right angles and ...

Explore the properties of 2D shapes from one-sided circles to the eight-sided octagons. Shapes with 3 sides Explore shapes with 3 sides and look at curved and straight lines. Shapes with 4 sides ...