Respuesta :

Answer:

x = 22

Step-by-step explanation:

The sum of the angles in a quadrilateral is 360°. This can be written as:

 61° + 115° + 96° + 4x = 360°

Further simply and solve to find the value of x.

 272° + 4x = 360°

 4x = 360° - 272°

 4x = 88

 x = [tex]\frac{88}{4}[/tex]

 ∴ x = 22