Question

please give a brief explanation​

Answer 1

Answer:

210

Step-by-step explanation:

angle BAD= 180-90-40=50

so angle X will be =180-50-50=80

from the triangle ADC

z+y+50=180

z+y=180-50

z+y=130

so x+y+z= 80+130=210

Answer 2

Answer:

I think it is the correct answer