Respuesta :

Answer:

82.15384... (just round to whatever you need and then put the degrees sign)

Step-by-step explanation:

360 = (6n) + (7n + 12) + (13n - 16)

360 = 26n - 4

356 = 26n

13.69... = n

6n = 82.15384...

Answer:

It supposed to be 84 degree

Step-by-step explanation:

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