152k views
23 votes
I need help asap please

I need help asap please-example-1

1 Answer

7 votes

Answer:

B = 21.4°

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°

User Bernd
by
3.7k points