Respuesta :

Answer:

Step-by-step explanation:

1. 51 degrees

2. 90 degrees

3. 17 degrees

4. 107 degrees

5. 121 degrees

6. 68 degrees

Answer:

EBF= 51, EBA = 90, DBE = 17, DBC = 107, ABF = 141, DBF = 68

Step-by-step explanation:

EBF, 90-39     EBA, 180-90   DBE, 90-73,   DBC,17+90    ABF, 90+51,     DBF, 17+51

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