Respuesta :

DefBrainly

Answer:

m<ABD = 36°

m<DBC = 54°

Step-by-step explanation:

2 + 3 = 5

90° : 5 = 18

18 × 2 = 36

m<ABD = 36°

18 × 3 = 54

m<DBC = 54°

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