Respuesta :

Answer:

73 degrees

Step-by-step explanation

All quadrilaterals have interior angles that add up to 360 degrees

linandrew41

The sum of all the angles in a quadrilateral, a four-sided shape is 360 degrees, so we get the equation:

 

   [tex]x + 127 +87 + 73 = 360\\x + 287 = 360\\x = 73[/tex]

Therefore x = 73.

Hope that helps!