Two-dimensional shapes have dimensions, such as length and width, while three-dimensional shapes have an additional dimension, such as height. Any shape that only has a surface area is a 2-D shape while shapes with volume are 3-D shapes. Continue Reading. read more
Throughout their time at primary school, children will be taught about various 2D (two-dimensional) and 3D (three-dimensional) shapes. The first thing they need to learn is the difference between 2D and 3D shapes. read more