Perimeter of a square
By the perimeter of a square we mean the sum of the lengths of all four sides. If a side has length a, then the perimeter of the square, which we write as P, is
The diagram below shows a square with side length a = 5. Its perimeter is therefore
Chapters: Perimeter of a square, Perimeter of a rectangle, Circumference of a circle, Perimeter of a parallelogram, Perimeter of a trapezium, Perimeter of a triangle
