Two-dimensional (2D) shapes are completely flat. They cannot be picked up. A polygon is a 2D shape with straight sides that meet at vertices. Polygons have names that show the number of sides they ...
Learn about triangles and quadrilaterals with BBC Bitesize Key Stage 3 Maths. Learn about tessellations with BBC Bitesize Key Stage 3 Maths. WATCH: How to draw a regular hexagon, square and triangle A ...