### Home > INT2 > Chapter 4 > Lesson 4.2.2 > Problem 4-72

4-72.

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 .

Recall:

For part (c), use the complement of the reference angle to write a different equation. Solve for

to confirm your answer for part (c).