Explore the properties of 2D shapes from one-sided circles to the eight-sided octagons. Shapes with 3 sides Explore shapes with 3 sides and look at curved and straight lines. Shapes with 4 sides ...

Through a field called geometric topology, mathematicians like me study all possible spaces in all dimensions. Whether trying to design secure sensor networks, mine data or use origami to deploy ...

Find out about regular 2d shapes and irregular polygons. What are the types of triangle? Find out about scalene, equilateral, isosceles and right-angled triangles. What are the parts of a circle?