Circle D is below.
What is the arc measure of minor arc BC in degrees

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...