Question

Suppose c=12.3 and m∠B=55°. Find a.

Answer 1

its one of these
A. 7.05
B. 10.07
C. 17.56

Answer 2

A. By using SOH CAH TOA you take the Cos #= opp./hyp.
so that is Cos B = a/c which is Cos 55 = a/12.3 and after solving all that it comes out to be 7.05

Answer 3

ty<3