### Home > GC > Chapter 10 > Lesson 10.1.4 > Problem10-39

10-39.

What law can you use to solve for the two variables?

$\frac{\text{sin}x}{9}=\frac{\text{sin}110}{16}$

16(sin x) = (sin 110)9

x ≈ 31.9°
y ≈ 10.5

Use the Law of Cosines.

x ≈ 3.7

What trig ratio can you use to find x? Use the Pythagorean Theorem to find y.

x ≈ 34.7°