Sacred geometry appears all throughout nature. The arrangement of leaves on a stem, the spiral patterns of pinecones, the ...

Gear Geometry provides an overview of the important design features of common gears. Involute gears have teeth that are shaped by an involute curve. In order to work properly, involute gears must meet ...

Circle theorems are used in geometric proofs and to calculate angles. Transformations - Edexcel Transformations change the size or position of shapes. Congruent shapes are identical, but may be ...