Answer:
theta = 0.245 radian or 14 degrees
Step-by-step explanation:
Note that the tangent of the angle theta is opp/adj = 12/48 = 1/4.
Using the inverse tangent function on a calculator, evaluate the above:
tan theta = 1/4 = 0.25. Then theta = 0.245 radian or 14 degrees, approximately
