Yr-Old Clay Seal Impression With Geometric Shapes Discovered, Likely Used to Stamp Deliveries An unearthed ancient 7,000-year-old clay seal impression bearing geometric patterns offers proof of the ...

It may be useful to refer to M1 properties of angles; M1 properties of 2D shapes and M5 Polygons if necessary. The sum of the angles inside any polygon can be found by spitting the polygon into ...

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 ...