Question

Help please ……………………..

Answer 1

Answer:

b ≈ 48.6°

Step-by-step explanation:

Using the sine ratio in the right triangle

sin b = $\frac{opposite}{hypotenuse}$ = $\frac{9}{12}$ , then

b = $sin^{-1}$ ($\frac{9}{12}$ ) ≈ 48.6° ( to 1 dec. place )

Answer 2

The above answer is correct