### Home > A2C > Chapter 8 > Lesson 8.1.2 > Problem 8-16

8-16.

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°