Learn about 3D shapes and their properties. Circles and other shapes Find out about shapes with curved sides and how to group them. What is tessellation? Find out how tessellation is when shapes ...

But today we're going to look for shapes. Ibrahim: We want to ask Angela to explain to us the difference between 2D and 3D shapes. Angela: A flat shape, like the circle on this piece of wood is 2D ...

However, 3D shapes produced this way tend to look blurry ... popular site that covers news about MIT research, innovation and teaching.