Question

To find the missing length below, would you use Law of Sines or Law of Cosines?Find the missing length. There are 2 answers, Law of _____ and missing side length.

Answer 1

`\begin{gathered} To\text{ find the missing length, we will use law of cosines.} \\ Co\sin es\text{ rule is-} \\ (L)^2=38^2+42^2-2*38*42*\cos 39^(\circ) \\ L^2=727.35 \\ L=\sqrt[]{727.35} \\ L=26.96 \end{gathered}`