What you can do for this case is to use the following trigonometric definition. sine (x) = a / h Where, a: side of the triangle. h: hypotenuse. Substituting: sine (x) = 3/6 x = Arcosine (1/2) x = 30 degrees. The other angle is: 180-30-90 = 60 degrees Answer: W = 30 V = 60 U = 90 option 4
