The length of a side of a square field is $4m$ . What will be the attitude of the rhombus, if the area of the rhombus is equal to the square field and one of its diagonal is $2m$

Question

$\begin{array}{1 1} 16 \\ 17 \\ \large\frac{16}{\sqrt{65}} \\ \large\frac{\sqrt{65}}{16} \end{array} $