Answer:
m∠DBC= m∠ABC - m∠ABD
Explanation:
if m∠ABC= 8 and m∠ABD= 3
then m∠DBC= 8 - 3 = 5
∠DBC + ∠ABD = ∠ABC
5 + 3 = 8
45
the answer is 45 as itis between 2 lines
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