### Home > GC > Chapter 5 > Lesson 5.1.2 > Problem 5-16

5-16.

For each triangle below, write an equation relating the **reference angle** (the given acute angle) with the two side lengths of the right triangle. Then solve your equation for .

Refer to the Math Notes box in Lesson 5.1.2 if you need help writing an equation relating to a reference angle.

It will be helpful for all three parts of this problem.

Follow the same steps as in parts (a) and (b).