In the following figure (not to scale), \( A D \) bisects \( \angle B A C \). If \( \angle B A D...

In the following figure (not to scale), \( A D \) bisects \( \angle B A C \). If \( \angle B A D=45^{\circ} \) and \( \triangle A B C \) is inscribed
P in a circle, then which of the following is the

W longest?
(a) \( A B \)
(b) \( A D \)
(c) \( A C \)
(d) \( \mathrm{BC} \)