2D shapes have sides and corners. Another name for a corner is a vertex.. A vertex is a point where two or more lines meet. The plural of vertex is vertices.

Nowhere is its integration more critical than in 2D shape cutting (in which plates or slabs are cut with noncontacting plasma, laser, water, and oxyfuel) or 3D part contouring — in which a ...

KS1 Maths 2D and 3D shapes learning resources for adults, children, parents and teachers. ... quizzes and activities that will help students practise their 2D and 3D shapes knowledge and skills.