In triangleABC\\triangle ABCtriangleABC, DDD is a point on BCBCBC such that ADperpBCAD \\perp BCADperpBC. If BD=5BD = 5BD=5, DC=9DC = 9DC=9, and AD=12AD = 12AD=12, what is the perimeter of triangleABC\\triangle ABCtriangleABC?
424242
404040
454545
363636