Question

I need help asap please

Answer 1

Answer:

B = 21.4°

Step-by-step explanation:

Using the Law of Sines.

$sin(42)/22=sin(B)/12$

Cross Multiply

$12*sin(42)=22sin(B)$

Get Sin(B) by itself.

sin(B)= 12*sin(42°) / 22

B° = sin^-1((12*sin(42°))/22)

B = 21.4°