Answer:
[tex]x = 150° [/tex]
Step-by-step explanation:
[tex]70°+50°+90°+x°= 360°[/tex]
[tex]210°+x°= 360°[/tex]
[tex]x°= 360° - 210[/tex]
[tex]x° = 150° [/tex]
Hint:
- sum of the interior angles of a quadrilateral is 360°.
- Right Angle = 90°
Hope it is helpful....
