Question

Round to the nearest hundreth

Answer 1

Answer:

∠ B ≈ 66.42°

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos B = $\frac{adjacent}{hypotenuse}$ = $\frac{BC}{AB}$ = $\frac{2}{5}$, thus

B = $cos^{-1}$($\frac{2}{5}$ ) ≈ 66.42° ( to the nearest hundredth )