<br> In the diagram below, the ratio of the length of to $BD $of $\stackrel\frown{BD}$ to that of $\stackrel\frown{A}$ is $5:3$. Evaluate the measure of $\angle{BPD}$

Question

$\begin{array}{1 1} (a)\; 30^{\circ} \\ (b)\; 50^{\circ} \\ (c)\; 60^{\circ} \\ (d)\; \text{cannot be determined} \end{array}$