Polygons can be regular or irregular in shape. A polygon is a closed 2D shape with at least three sides. A regular polygon is a polygon with all equal sides and angles. An irregular polygon is a ...

Explore five-, four- and three-sided polygons. Find out how they can change if their sides stay the same length. Create new shapes that always have the same side lengths. Experiment with the circle as ...

Polygons are multi-sided shapes with different properties ... Circle theorems are used in geometric proofs and to calculate angles. Transformations - Edexcel Transformations change the size ...