A ray of light strikes a reflective plane surface at an angle of  \(Y=\) 30\(°\) with the plane surface (Shown in the figure).
  
Find the following,
a. angle of incidence
b. angle of reflection
c. angle of X
  
PIC-1797.png
 
a. angle of incidence \(=\) \(°\)
 
b. angle of reflection \(=\) \(°\)
 
c. angle of X \(=\) \(°\)
 
Important!
Note: Enter your answer with no decimal digits.