### Home > CCA2 > Chapter 7 > Lesson 7.1.2 > Problem 7-16

7-16.

Find the measure of angle *A* in the diagram below. Homework Help ✎

The length 0.3 is opposite angle *A* and the length 1 is the hypotenuse. Which trigonometric relationship works with opposite and hypotenuse?

*A* = sin^{−}¹(0.3) ≈ 17.46°