2-dimensional shapes - AQA 2-dimensional shapes are flat. The perimeter of a 2D shape is the total distance around the outside of the shape. The area of a 2D shape is the space inside the shape.

A 2D shape could have line symmetry or rotation symmetry ... and a 3D shape could have a curved surface as well as flat faces. A square has 4 right angles and 4 equal sides.

How do astronomers describe the shape of the universe, and what could it mean for the fate of the cosmos? complex to measure the shape of the universe. In fact, this question has a very ...