“A central problem of geometry is the tiling of space ... However, many tilings in nature are characterized by shapes with curved edges, non-flat faces, and few, if any, sharp corners.

2-dimensional shapes - Edexcel 2-dimensional shapes are flat. The perimeter of a 2D shape ... Circle theorems are used in geometric proofs and to calculate angles. Transformations - Edexcel ...

2-dimensional shapes - AQA 2-dimensional shapes are flat. The perimeter of a 2D shape ... Circle theorems are used in geometric proofs and to calculate angles. Transformations - AQA ...