Respuesta :

Stephen46

Answer:

The answer is 53.13°

Step-by-step explanation:

tan ∅ = opposite / adjacent

From the question

AC is the opposite

CB is the adjacent

tan B = AC / CB

tan B = 12/9

tan B = 4/3

B = tan-¹ 4/3

B = 53.13° to 2 decimal places

Hope this helps you