Respuesta :

His garden would be sixty feet long. This is because if the diagonal is 1 greater than the length, by using the Pythagorean theorem, you would get:

11²+60²= x²
121 + 3,600 = 3,721
√3,721 = 61
61 - 60 = 1

L = 60
W = 11
D = 61