Respuesta :

Answer:

w=63, x = 86, y=38 and z = 25 degrees

Step-by-step explanation:

w + 117 = 180

so w = 180 - 117 = 63 degrees.

x = 180 - 63 - 31 = 180 - 94

= 86 degrees

y = 180 - 86 - 56 = 180 - 142

= 38 degrees

z = 180 - 117 - 38 = 180 - 155

= 25 degrees