Question

please solve this questions​

Answer 1

Answer:

internal angle of quadrilateral = 360

sum of angle on a line cutting any point=180

so 60+y=180

then y= 120

and 80+z= 180

so z= 100

Now, sum of all angles of quadrilateral = 40+ x + x + 120 + 100

360 = 260 + 2x

2x = 360 - 260

x = 50. answer