Reflective symmetry is when a shape can be folded in half, with either side of the fold being a mirror image of the other. Rotational symmetry is when a shape can be rotated and it still looks the ...

A shape has a line of symmetry when the folded part sits perfectly on top with all edges matching. The number of lines of symmetry in a regular polygon is equal to the number of sides. A shape has ...

Perfect symmetry. It’s how we define beauty, but photography tends to shy away from it. Here are 19 pieces of proof that symmetry really is beautiful. Winner: The Beer Can Building When this challenge ...