The perimeter and area of triangles, quadrilaterals (rectangle, parallelogram, rhombus, kite and square), circles, arcs, sectors and composite shapes can all be calculated using relevant formulae.

GCSE Edexcel 2-dimensional shapes - Edexcel Area of squares, rectangles and compound shapes 2-dimensional shapes are flat. The perimeter of a 2D shape is the total distance around the outside of ...