Answer:
21
Explanation:
The mnemonic SOH CAH TOA helps you remember ...
Sin = Opposite/Hypotenuse
You choose this relation because the given lengths are the hypotenuse (14) and the side opposite (5) the angle (x°). Then ...
sin(x°) = 5/14
x° = arcsin(5/14) ≈ 20.92°
x ≈ 21