So we are off to find somewhere comfortable to sit. Angela: There are different types of symmetry, but we're going to talk about reflective symmetry. If you draw a line down something and the two ...

From the powdered wings of a butterfly to the icy spines of a snowflake, symmetry is a common feature in nature. This often ...

Save guides, add subjects and pick up where you left off with your BBC account. A shape has a line of symmetry when the folded part sits perfectly on top with all edges matching. The number of ...