A lemniscate curve between the tangents will be transitional throughout if the polar deflection angle of its apex, is
A
$$\frac{\Delta }{2}$$
B
$$\frac{\Delta }{3}$$
C
$$\frac{\Delta }{4}$$
D
$$\frac{\Delta }{6}$$
Correct Answer: $$\frac{\Delta }{6}$$
