Answer:
The answer is option:C(
)
Step-by-step explanation:hdQSD
Since we have to find the measure of angle B so for defining the trignometric function corresponding to B we need to take side AC as pependicular(p)=12, AB as base(b)=16 and BC as hypotenuse(h)=20.
now when we define the tangent function corresponding to angle B than


is the required measure of angle B.