Respuesta :

Answer:

16.6

Step-by-step explanation:

∵BD bisects ABC

∴ABD = DBC

DBC = 1/2 ABC

8x-7 = 0.5(6x + 3)

16x-14 = 6x +3

10x = 17

x = 1.7

ABD = DBC = 8*1.7 + 7 = 16..6°