GCSE; AQA; 2-dimensional shapes - AQA 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 the shape.

10 basic math formulas in geometry that CBSE class 10 board exam candidates must know ... Formula for Perimeter of Square. Perimeter = 4 × Side. Image Source: Pexels. Formula for Area of Square.

Learn about and revise different 2-dimensional shapes and their properties with this BBC Bitesize GCSE Maths Edexcel study guide.