who ever is good with angles please answer

Answer:
[tex] \boxed{ \bold{ \huge{ \boxed{ \sf{x = 165°}}}}}[/tex]
Step-by-step explanation:
Sum of complete turn adds up to 360°
Given angles : 63° , 42 ° , 90 ° , x°
To find : x
Create an equation
[tex] \sf{x + 63° + 42° + 90° = 360°}[/tex]
[tex] \dashrightarrow{ \sf{x + 195° = 360°}}[/tex]
[tex] \dashrightarrow{ \sf{x = 360° - 195°}}[/tex]
[tex] \dashrightarrow{ \sf{x = 165°}}[/tex]
Hope I helped!
Best regards! :D