Answer:
22°
Step-by-step explanation:
cos B = (c2 + a2 − b2)/2ca
cos B = ([tex]10^{2}[/tex] + [tex]6^{2}[/tex] - [tex]5^{2}[/tex])/ 2(10)(6)
cos B = .925
[tex]cos^{-1}[/tex] B = 22.33
