How to calculate the side length of square belt in primary school math box
Divide the square belt of the elementary school math box by four to get the side length. The formula for calculating the side length of a square is a=√S, which is a special parallelogram, that is, a group of parallelograms with equal adjacent sides and a right angle is called a square, also known as a regular quadrilateral. A square has all the characteristics of a rectangle and a diamond. A diagonal of a square divides the square into two isosceles right triangles, and the included angle between the diagonal and the side is 45. The two diagonal lines of a square divide it into four congruent isosceles right-angled triangles.