Question

find x in the following figure.
it's urgent do it fast​

Answer 1

100+angle c=180

so,angle c=180-100

=80

here ,angleb=anglec(due to adjacent sides

so,angle b=80

so,x+80+80=180(sum of angles in a triangle)

x=180-160

so, x=20 degrees

please follow me

Answer 2

20° is the correct answer