From the top of a $50\;m$ high building , the angle of depression of a car on the road is $30^{\circ}$. The distance between the car and the building is ________

Question

$\begin{array}{1 1}(A) \; 86\;m \\(B)\; 86.5\;m \\(C)\;86.9\;m \\(D)\;86.6\;m \end{array}$