A kite is flying at a height 30 m from the ground. The length of the string from the kite to the ground is 60 m. Assuming that there is no slack in the string, find the angle of elevation of the kite at the ground.

Question

$\begin{array}{1 1} (a)\; 30^{\circ} \\ (b)\; 45^{\circ} \\ (c)\; 60^{\circ} \\ (d)\; \text{none of the above} \end{array}$