and a 3D shape could have a curved surface as well as flat faces. A square has 4 right angles and 4 equal sides. A rectangle has 4 right angles, but not equal sides. Dawn’s shape could be a ...

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 ...