You can calculate the angle "x" of the right triangle (It has a angle of 90°) as follows:
Sin(x)^-1=opposite leg/hypotenuse
The opposite leg is 5 and the hypotenuse is 14
2. Let's substitute in the formula:
Sin(x)^-1=opposite leg/hypotenuse
Sin(x)^-1=5/14
x=21°
Then, the answer is: The value of x is 21°