Answer:
The length of the side of the square is 26.87 yards
Explanation:
The sides of the square and the diagonal will form an Isosceles right angled triangle
Let the length of the side be x
From Pythagoras’ theorem, the square of the side of the hypotenuse is equal to the sum of the squares of the two other sides
x^2 + x^2 = 38^2
2x^2 = 1,444
x^2 = 722
x = square root of 722
x = 26.87 yards