### Home > GC > Chapter 6 > Lesson 6.2.5 > Problem 6-83

6-83.

Examine the triangles below. For each, solve for *x* and name which **tool** you use. Show all work.

Which trig ratio can you use to solve for ?

Find the measure of the unknown angle.

Now what law can you use to solve for ?

Use the Law of Cosines to solve for .