Symmetry is when one side of a shape is a mirror image of the other ... Angela: There are different types of symmetry, but we're going to talk about reflective symmetry. If you draw a line down ...

Rectangularity: A geometric property where a shape has right angles and straight edges, often perceived as a cue for three-dimensional interpretation. Symmetry: A property where a shape is ...

A 2D shape is symmetrical if a line can be drawn through it and either side is a reflection of the other. The line is called a line of symmetry. This is sometimes called a 'mirror line' or 'mirror ...