Respuesta :

Answer:

45

Step-by-step explanation:

the answer is 45 as itis between 2 lines

Answer:

m∠DBC= m∠ABC - m∠ABD

Step-by-step explanation:

if m∠ABC= 8 and m∠ABD= 3

then m∠DBC= 8 - 3 = 5

∠DBC + ∠ABD = ∠ABC

5 + 3 = 8