If the area of the sector is $3 \pi \; sq. feet$. Whose central angle is $30^{\circ}$. What is the perimeter of the sector ?

Question

$\begin{array}{1 1} (a)\; 6 + \pi \\ (b)\; 12 + \pi \\ (c)\; 24 + \pi \\ (d)\; \pi \end{array}$