Complete the following operations listed below. Simplify fully.
1 answer:
You might be interested in
You need the Law of Sines for this. In our case we have the measure of angle B and side b, we have the measure of angle A and are looking for side a, or x. Setting up the Law using our info, we have 
. We will solve for x by multiplying both sides by sin(42): 
, first choice above.