Help Me Please.
Note cos B = adjacent side / hypotenuse = a / c
So
cos B = 6 / 11
Take the arccos (cosine inverse) to find B
arccos (6/11) = 56.944268849146°
Degrees = 56
Minutes = 60 * .944268849146 = 56.65613094876 = 57 minutes
B = 56° 57'