Answer:
A = 24.1°
Step-by-step explanation:
The side of length 16.8 is the opposite side of A and the side of length 37.6 is the adjacent side of A. Using the trigonometric function tangent, we get
![\begin{gathered} \tan A=(Opposite)/(Adjacent) \\ \tan A=(16.8)/(37.6) \\ \tan A=0.4468 \end{gathered}](https://img.qammunity.org/2023/formulas/mathematics/college/ierws3fm90n7aevtn9xsptdnvt0wqwvzql.png)
Then, we can solve for A, so
![\begin{gathered} A=\tan^(-1)(0.4468) \\ A=24.1 \end{gathered}](https://img.qammunity.org/2023/formulas/mathematics/college/tfr60ugg39mam3of23asb4glianrb09d0e.png)
Where we type the angle A with 3 significant digits because the measure of the angle is to the nearest 0.1°.
Therefore, the answer
A = 24.1°